Sort by
Relevancy

Free Stories

100%
Hung Trans Lesbians Fuck Two Ladyboys
Note 1: If you like Transsexuals, Trans Lesbians, Asian Ladyboys, Big Cocks, Extreme Cock Sucking, Anal Fucking, Anal Fisting, Semen Swallowing, Role Play, Orgies, BDSM, Cock Sounding and Foot Fetish this story is for you. Note 2: All the characters are over 21. The names are fictitious, but some... Read full Story
darrell 2022-01-03 4,969 Group Sex Big Tits Cumshot Bareback Fetish Blowjob Big Cock Asian Ladyboy Sex Toys Mature cum in mouth shemale + shemale
80%
Samantha sissy TGTF
Theme and genre of the story: The genre is about gender bender, futanari, gay, physical transformations of the body, magic and biology, the kink in particular that must excite in the story is the perversion of the transformation of the body and mind through a magical element that manipulates biol... Read full Story
Samantha sissy world 2022-09-20 5,449 Teen (18+) Crossdresser Big Tits transformation transgender feminization pov sissification Cartoon magic Gender Bender
91%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 14,013 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
100%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 5,648 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
100%
Exposure, Disclosure
The Greatest Liar, Exposure, Disclosure © Alexandra Rios 2019 Author’s Note: This is a continuation of the narrative which commenced with “My Awkward Phase”, which I posted here previously. Readers may wish to read that before continuing, although I have written them to stand alone. Natives s... Read full Story
the greatest liar 2019-06-18 8,283 Teen (18+) Small Tits Amateur Group Sex Latina Blowjob gangbang Guy Fucks Shemale cum in mouth
91%
HOW MY AUNT AND SISSY NEPHEW CHANGED MY LIFE FOREVER! (fictional
It was the very first night of my month long North Carolina July summer vacation stay when my Aunt Meg suddenly entered the bedroom that I was temporarily sharing with my younger cousin Rudy. Being so openly effeminine in his body language,voice and looks, I had already planted such dirty thoughts ... Read full Story
CDDIXIE4U 2019-01-08 35,026 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
92%
Candy's Treats
"Hi, I'm Candy," the pretty blonde Latina said to me as I sat alone in the casino bar. She had a nice pretty face and a great body with a store bought pair of dd's. I knew the moment she sat down that she was a pro. Five straight years in Vegas at the show had taught me how to spot them in... Read full Story
shemale lover 2012-03-06 5,860 first time anal sex Latina sucking cum
85%
BANGING AROUND BANGKOK
BANGING AROUND BANGKOK: THE AMOROUS ADVENTURES OF CAITLIN "MEOW" MORRISON after living and working in Thailand/SE Asia for many years i decided to write an erotic story based on some of the people i have known, venues and places i have been, and the P4P night-scene where i spent way too much... Read full Story
bkkldby 2019-06-17 14,759 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
83%
Milking Time Jordan's Arrival
These stories involves a group of shemales who live on an island that exists in our world, but they chose to remain mostly isolated. That's part of the reason I also call them amazons. The shemales in my stories have genitalia that start at John Holmes' size, and then get much bigger. (This is a... Read full Story
gman57 2019-09-25 11,055 Big Tits Big Cock shemale + shemale
100%
Thai Ladyboy goddes in Tokyo and a cheap love hotel
This is a real account of my meeting last week with a beautiful Thai ladyboy working at a flashy show at a night club in Tokyo. Written as a not to her. Hope you like it. You sexy ladyboy goddess, I must say you have the most beautiful body. When we first started drinking wine and talking ... Read full Story
lblover77 2012-10-09 10,344 anal Ladyboy oral
71%
TGirl Initiation by 3 BIG BLACK 12
In my teen years I was often told that I was quite feminine.The high school punks always told me that I filled out the back of my jeans in a girly way. After taking a shower one day I did notice that they were right, I had a nice white bubble butt. Not to mention that my lips were also quite girly. ... Read full Story
TgirlJill4BBC 2013-06-04 9,552 Stockings Cumshot suck Big Cock Lingerie Interracial Latex
100%
Cheating Sissy Wife chapter2
My sweetheart Keith is back from his road trip and we were about to make up for lost time. He didn’t even want me to fix dinner. Instead he said that we would order pizza later. Meanwhile we started making out right there on the couch. We were both horny and anxious to get next to each other. I felt... Read full Story
Regina10 2020-10-26 5,301 Crossdresser Big Tits Cumshot Bareback Creampie Blowjob Big Cock Ladyboy Lingerie Guy Fucks Shemale pov Ass to Mouth
29%
Me
I cum here to lopk at all the beautiful shemales I can find. Damn, theres 1,000s I want to wank or enjoy to. Theres not just one kind I want to fondle and cuddle with. But too many to see all. How to choose? Gotta be a trans, transgender, ladyboy, shemale.... Have some tits baby. Large cock is al... Read full Story
Str8guy4u 2019-11-22 4,805 Big Tits Latina Shemale Fucks Guy Blowjob blonde Big Cock Ladyboy masturbating Mature Vintage shemale + shemale Date hot fun 1st timer
100%
Slutty Sissy's 2 Loves
Tonight was young and I was already hot and bothered, my ass-pussy was on fire, and I could hardly wait for Bob and John to come over. I had invited them over to fulfill those erotic dreams I am constantly having about the two of them using me like a tool, and I wanted that so bad. I fantasized abou... Read full Story
Regina10 2020-11-23 5,465 Group Sex Big Tits Cumshot Bareback Blowjob Big Cock Ladyboy Lingerie Guy Fucks Shemale pov Ass to Mouth cum in mouth double anal
50%
Lady Regina
I know that many say that I I’m a coward because I am comfortable living in the closet as a part time female and not expressing my special female side completely. My friends all tell me to go out and have fun and not worry about what people say or think. In spite of that, and because of the prudish... Read full Story
Regina10 2022-07-01 5,570 Crossdresser Big Tits Masturbation Bareback Fetish Blowjob Ladyboy gangbang Lingerie Guy Fucks Shemale Mature pov
81%
That night....
I was extremely nervous when I pulled out my phone and dialed the number. Never before, in my wildest dreams, had I thought I would act on one of my strongest fantasies. I knew I would be nervous when I first met her, but after exchanging pictures and seeing that big, fat cock of hers, I knew I ha... Read full Story
bigTHICKY 2017-05-08 9,836 Big Tits Cumshot Latina Big Cock Ladyboy cum in mouth
100%
TG Neighbor
With Christmas and New Year’s over, the weather here in Florida has become cooler, 45 degrees last night and it will be in the mid-sixties for the rest of the week. We live in a sub-division right off the waterway, very private. My neighbor usually comes down around Christmas and stays until tax ti... Read full Story
Jon Paul 2022-04-22 7,177 Big Tits Cumshot Latina Bareback Creampie Shemale Fucks Guy Blowjob Asian Ladyboy Guy Fucks Shemale
100%
Uncle sweet Lover
Uncle Barney called me this morning and wanted me to keep my evening free. He wanted to meet me at the motel with a surprise for me. I was so excited and could hardly wait. I had to decide on something to wear, but when I thought about it, I realized that I wanted to wear something special. He would... Read full Story
Regina10 2024-02-19 5,525 anal Crossdresser Big Tits Creampie Fetish Blowjob Big Cock Ebony Ladyboy Guy Fucks Shemale Mature big ass femboy
100%
Sissy Slut Reunion
Rob had moved back to town and called me. He had just moved into his new place and he wanted me to come by and talk. I knew what he really wanted from the tone of his voice, because I wanted it too. He said he had been thinking and dreamed about me the whole time he was away. My spirits lifted and ... Read full Story
Regina10 2020-09-14 4,663 Crossdresser Big Tits Cumshot Bareback Creampie Fetish Big Cock Ebony Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth
100%
A Perfect Pandemic: A Transsexual Transition in a Troubled Time
A Perfect Pandemic A Transsexual Transition in a Troubled Time A Novelette by Alexandra Rios Text Copyright Reserved © August, 2021 Dedication Transgender Day of Remembrance is a solemn occasion. I am offering “A Perfect Pandemic” for free as an antidote to the fear, phobia, discrimination, d... Read full Story
the greatest liar 2021-11-16 6,634 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
100%
Late Night Snack (Touch me in the morning)
I was awakened abruptly by someone banging on my door at 1am. At first, I thought it might be Harry, the man who replaced Mr. Cobb in my bed a few nights ago. He had been persistent and horny constantly. I think it was because fucking trans women like me was new to him and he hadn’t got enough of th... Read full Story
Regina10 2024-03-28 4,487 anal Big Tits Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Ebony Ladyboy Lingerie
100%
HOW ONE PEEPING TOM MORNING TURNED ME INTO A SHEMALE SISSY BITCH
It was while cutting across his back trailer park lawn around 7pm on misty July Saturday evening, when I first discovered that Mr. Parker was really a fag. How else could you describe a man wearing a long blonde wig on his head while below he wore only a large somehow stuffed pink lacey woman's bra ... Read full Story
CDDIXIE4U 2019-01-08 14,658 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
65%
Marcia Goes Back to School
Marcia was painfully nervous. She hadn't been able to eat very much in days. The upside was she was even skinnier which would make Mistress and her husband very happy. She'd always been thin and on the diet Mistress Carol had her on she was already thinner than she dreamed possible. Her anxious stom... Read full Story
shemale lover 2012-12-19 11,088 Masturbation Blowjob blonde ass fucking big boobs
50%
Freak House Superstar Come Fest
Kiki and Ty Blaze were doing their thing. They were living on their love and passion, literally. The couple had taken their love, passion and desire to please one another and turned it into their livelihood. They had become stars in the world of underground porn. Their production studio, Nasty Nigga... Read full Story
shemale lover 2012-02-01 6,802 anal shemales Group Sex
82%
Fetish Club With Shemales
The smell of rubber and latex and the combination of the strobe lighting was overpowering, the techno sound of the club just added to the already intoxicated atmosphere of the place. The club was a frenzy of half naked, latexed, rubberised bodies covered in sweat dancing to the frenzied sound of tec... Read full Story
tgirlloverme 2014-02-19 9,972 Ebony orgy
100%
The game show,
One day i was looking through a number of competitions and trying to find a way to make some easy quick money. A number of applications were sent, mostly for junk i didn't need or for competitions I knew I had no chance of winning. For example, the types you get $30,000 for answering the easiest que... Read full Story
chris1989r 2022-01-24 5,415 Bareback Shemale Fucks Guy Ebony gangbang Guy Fucks Shemale shemale + shemale
85%
First Time With A Dominant
I had long been interested in BDSM, specifically female domination. After downloading a shemale dominatrix video by mistake, I became interested in a dominant shemale. I consulted the internet looking for something, and when my wife was away for the week for business, I finally decided to go ahead a... Read full Story
shemale lover 2011-09-23 23,629 asshole Big Cock domination
80%
How it started
What got me started off watching shemale porn was actually meeting a very beautiful shemale at a beach party. I already knew she was a guy but she was so beautiful. So at one point I asked her if she wanted to go for a walk and after a few minutes and let her know that I was down. Her response was ... Read full Story
PNPFUCKBOY 2019-02-12 12,501 Teen (18+) Small Tits Crossdresser Amateur Big Tits Outdoor Latina Bareback blonde Big Cock Ladyboy domination Guy Fucks Shemale Interracial Sex Toys Mature Homemade Ass to Mouth
50%
PREMIÈRE ÉTAPE FÉMINISANTE
Aujourd'hui, ma mère et moi sommes allés acheter des maillots de bain dans un grand magasin local. C'était en début d'après-midi et nous avions pratiquement l'endroit pour nous tous seuls. En entrant dans le magasin, nous sommes passés devant une grande colonne couverte de miroirs, et je me suis ... Read full Story
Femboy 2021 2023-01-27 1,289 Stockings Teen (18+) Small Tits Crossdresser Fetish Lingerie domination Sex Toys
66%
Would You
'Would you...?' 'Look the part to play the part....' 1 5' 4...dreaded, and to be dreaded....bookish, be-spectacled—damn near owlish....so much so that you might miss the way her tits spoke to you no matter how much she attempted to 'silence' them ....that you might miss the way her sk... Read full Story
shemale lover 2012-09-23 7,052 sucking cum massage
85%
Lesser of Two Evils
My name is Eric. At 21, I was working as the IT guy at a prominent Caribbean cruise company. My days were usually pretty boring. Fixing computer problems were usually a no brainer for me. People are so stupid when it comes to how they use their machines that I assume there will always be a need for ... Read full Story
shemale lover 2013-03-27 23,358 hardcore Cumshot sucking ass fucking Guy Fucks Shemale
88%
Mom's girlfriend has a fat cock
When I was a teenager, my mother got remarried...to a woman. At first it was odd, because their roles in the relationship were so clear. My mother was the "bottom", and Jamie was the "top". They're great to each other, and I have grown to love Jamie unconditionally. I'm eigh... Read full Story
TripFontaine 2012-05-14 16,226 anal cock shemale cum tits lesbian
100%
First fuck in public ;)
You’re only wearing a coat, I find a place where, I can kiss you then slide my hand between the flaps of your coat. I expose your breasts and slide my hand down across your tummy down to your pussy. My fingers start to explore your soft bush, working there way to your soft pink lips surrounding your... Read full Story
BalkanLoco91Ri 2019-08-26 4,364 Stockings Teen (18+) Amateur Big Tits Cumshot Outdoor Masturbation Bareback Creampie Blowjob Big Cock Uniform domination Homemade pov cum in mouth
100%
How my date went
There I was on TV with the sound up jus barely enough for my date and I to hear. We had gotten past the introductions at the bar we had jus left & now it seems as if those 4 shots of tequila jus wasn't enough for me to overcome how scared I was. But Alma, my date had run into Nervous Nellies like m... Read full Story
Curious_billy 2022-10-21 6,386 Teen (18+) Amateur Cumshot Masturbation Blowjob Big Cock Lingerie Homemade pov cum in mouth webcams
100%
THE WONDERFUL ADVENTURES OF MISS K: QUEEN OF THE ROAD
Miss K drove the car through the Midwestern countryside, enjoying the early spring breeze that leaked through the SUV's window as it blew through her platinum blonde hair. Her tits were held up by the tight, white, midriff-baring top she wore that stopped just below the lower curve of her tits... Read full Story
shemale lover 2012-01-28 4,386 licking sucking fucking Sex Toys
89%
Fem Firm 2 -The Weathergirl
PART 1: A COURTESY CLIENT BLOWJOB Three weeks into my gig at Coxon & Dicster had been a blast. At first, a few of the girls had some reservations about me working there because I wasn't transgendered myself but I guess I won them over with my naturally cheerful personality. At least,... Read full Story
bennyx709 2016-11-14 18,551 big dick anal sex suck Blowjob cock sucking workplace
100%
Lady and the Cop continued
The next night Regina got a visit from. Larry the cop who openly declared war on shemales and trannies. He was working a homicide where a trannie friend had been killed in her apartment. Larry was a known shemale hater and he never failed to express his opinions. Tonight he was in her apartment to ... Read full Story
Regina10 2018-03-06 5,054 Small Tits Big Cock Ebony Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth
91%
Hot Slutty Sissy
Hello, It’s me, and. I am about to make a big decision and right now I am dedicated to my fantasy. I got a call today from one of my ex boyfriends. I got so horny when I heard his voice that my nipples turn to steel. My titties seem to respond to the sound of his vibrating baritone. I couldn’t refu... Read full Story
Regina10 2020-08-14 7,244 Crossdresser Cumshot Bareback Fetish Blowjob blonde Big Cock Ebony Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth
33%
Duel With the Devil, Chapter 20 of The Greatest Liar
Duel With The Devil This is a work of fiction. All characters (including the narrator), celebrities, places, residences, neighborhoods, restaurants, legal agreements and proceedings, events and incidents are either the products of the author's imagination or used in a fictitious manner. Any r... Read full Story
the greatest liar 2023-07-19 4,536 anal Bareback Creampie Ebony Guy Fucks Shemale post-op celebrity post op sex
100%
Black Dickgirl Fanstay
It was only when she emerged from the bedroom in a purple silk nightie that not only clung to her full breasts, but also betrayed the hint of a bulge between her legs, that I realised that it was actually going to happen: my fantasy of sleeping with a black shemale was about to come true. She paused... Read full Story
ASSEaster5678 2018-09-14 6,997 Ebony Ladyboy dreamgirl
85%
My Awkward Phase
My Awkward Phase ©Alexandra Rios 2019 The greatest lie is that what happens in high school doesn't matter, because life begins in college. I pretended to agree, although I never believed it, for I was the world's greatest liar. Wannabees I was hanging out with my friends Quinn, Barb and Anne ... Read full Story
the greatest liar 2019-06-14 12,532 Small Tits anal sex Latina Masturbation Bareback Creampie Blowjob Big Cock transformation gangbang Shemale and Girl Guy Fucks Shemale Sex Toys Ass to Mouth cosplay hormones high school real life situations
85%
Cheating Sissy Wife
My name is Ginger and my main stud is Keith, a truck driver, who is only in town once a week. We have and ongoing role-playing fantasy that we carried out whenever he was in town. I am his dutiful ideal housewife who is perfect in every way. My talents excel in both the kitchen and the bedroom. I fi... Read full Story
Regina10 2020-07-27 8,087 Crossdresser Bareback Big Cock Ebony Ladyboy Lingerie Ass to Mouth cum in mouth double anal
100%
TG Girlfriend moves in
Monday morning 6:00 am and I am just awakening, and I realize a naked body beside me has her arm around me, we are both naked. My wife Lydia is out of town to a seminar, and this adorable brunette perky tits and lovely eyebrows, beautiful lips slightly pink, sleeping beside me. Joanne and I had spen... Read full Story
Jon Paul 2022-01-18 5,746 Amateur Cumshot Latina Masturbation Bareback Creampie Shemale Fucks Guy Blowjob Ladyboy Guy Fucks Shemale cum in mouth
44%
Gargantua
Women do not have penises or testicles. These sex organs are specific to men. As the boy in Kindergarten Cop demonstrates, even young children are aware of this most fundamental fact of life. However, in the genre of erotic fantasy art known as futanari, hermaphroditic "dickgirls" defy nat... Read full Story
shemale lover 2011-09-12 8,093 Futanari dickgirl big cocks
80%
Becoming Alanna Part 2
Walking into room number one, she told me kindly to strip nude and climb into the chair. I did as I was told and hopped in to the chair. I fit my feet and legs into the stirrups and she spread them apart exposing my cock balls and asshole. She looked me up and down and smiled "not much work wit... Read full Story
shemale lover 2012-07-12 4,228 sucking Fetish Ladyboy rimjob
100%
My Fantasy Story
My first time, Sissy Cuckold for BBC After ten years of marriage, my wife and I wanted more. First we went to some strip clubs together. One night one of the girls my wife liked told us about a swingers club. So we gave it a try. Best decision we'd ever made. We went, at first just wallflowers, ... Read full Story
Mikky666 2020-10-09 10,662 blonde Big Cock Interracial Ass to Mouth
88%
Alex
I'm a straight guy! a few years ago, I stubble the cross shemale p***. now I must say, it felt weird, I mean being used to watching females doing p*** on my life. but I have to admit, these shemales that I was watching were passable, and most of all looked very f*******. shemale p*** made my di... Read full Story
Mike212 2018-05-28 7,097 Teen (18+) Small Tits Amateur Blowjob Ladyboy Guy Fucks Shemale
100%
Cum is a Cross-Dresser New Drink
Nikki looked up at me with her big, brown eyes as her head bobbed on my cock. Nothing was quite so sweet as one of her blow jobs. She had this way of dragging her tongue along the underside of my cock that made me want to cum in seconds. I always tried to hold it, but Nikki wouldn't let me. When she... Read full Story
ASSEaster5678 2018-09-14 7,006 Crossdresser Cumshot Ladyboy cum in mouth
90%
A pervy uncle invited me to his house at 10 PM..!
It's been 8-10 years now, I had this amazing experience. I was standing at the bus stop in my area/street(my daily routine), one uncle was watching me but I ignored eye contact as I feel awkward the way he was looking at me because I act straight in public and I felt that he's seen my girly ... Read full Story
Cindy Sky 2021-07-20 7,734 Teen (18+) Small Tits Amateur Cumshot Outdoor Bareback Creampie Fetish Blowjob Asian Ladyboy Mature
100%
Casino Girl
I had been working as a casino dealer for several years and would occasionally meet some very attractive women and chat. Asian women have always been attractive to me, whether the exotic appearance or maybe because my Mom was Pacific Islander, and a lot of people thought I was Asian. Mia was a bit... Read full Story
Jon Paul 2022-01-03 3,343 Stockings Cumshot Bareback Blowjob Asian Ladyboy Guy Fucks Shemale
72%
Alex pt.2
I could not believe it, me and Alex exploring each other's mouths with our tongues. As I pulled Alex closest to me, I could feel a little nub poking what are spandex. Immediately, that made all the blood rush to my cock. Indeed, Alex felt my man meat get hard and big, even more, Alex let out ... Read full Story
Mike212 2018-06-06 4,399 Teen (18+) Small Tits Amateur Big Cock Ladyboy cum in mouth
96%
Family Frolic
FRIDAY My sister and her husband wanted to take a few weeks off in the sun and asked me to look after their kids for a while. I'd move out of my tiny apartment and into their house for the duration. As I was still living off my severance and they had a nice spread with an indoor pool and a h... Read full Story
shemale lover 2012-01-14 31,759 strapon porn
100%
The Perversion of Bev - Part 1: The Beginning
“Some fucking romantic weekend this is turning out to be” thought Bev as she sat alone in the hotel room. Phil had told her he’d booked something special to celebrate their Silver Wedding anniversary and she’d been so looking forward to a weekend away without the kids. The fi... Read full Story
shemale lover 2011-10-11 5,037 anal first time shemales
100%
Rachel and Chris
Part 1 : Rachel and the Ring Yesterday was clear with a light but chilling winter wind present to remind all that the bit of warmth in the sun would only last a couple of hours at best. I struggled between sweating and freezing as I worked to remove the winter street grime from my roadster. Top ... Read full Story
shemale lover 2012-04-10 5,003 Cumshot oral sex Sex Toys
100%
Feriengruss 20.07.24
Erneut ging es Outdoor, dieses Mal aber an die Thur zum FKK Baden. Nicht am bekannten Platz in Bischofszell, sondern an meinen geheimen Platz, zwischen Kradolf und Bischofszell, unterhalb von Halden. Ich habe erneut mit 5 verschiedenen Herren abgemacht, die mir in gut geplantem, zeitlichem Abstand... Read full Story
Cheryl_F 2024-09-03 563 anal Small Tits Amateur Cumshot Outdoor Bareback Creampie Blowjob blonde Big Cock Ladyboy pov Ass to Mouth
100%
Hooked On Shemale Cock
Nitromethane Well, that did it, I finally swallowed my first load of shemale cum, and I haven't been able to get it out of my mind since. It was three years or so that I'd been wanting to have a shemale cum in my mouth, and it was everything I'd dreamed and more, but now what? I'm at work think... Read full Story
Gwapo67 2022-02-01 3,774 cum in mouth