Sort by
Relevancy

Free Stories

50%
"SISSIFIED": 12 JOURS DE SISSY-MAS
JOUR 1: mardi 25 C'était le matin de Noël quand j'ai entendu frapper à ma porte, ce qui était, bien sûr, très étrange à dix heures du matin. À midi, j'allais chez ma famille pour Noël, et j'avais rarement des visiteurs inattendus. Toujours dans ma robe, je me dirigeai vers la porte et fus s... Read full Story
Femboy 2021 2023-01-20 1,596 Stockings Crossdresser Amateur Fetish Blowjob Big Cock Lingerie domination Sex Toys 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 6,406 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
50%
RÉVEIL SEXUEL SISSY ⚧️ ⚧️
Si ses histoires étaient vraies, non seulement beaucoup d'hommes ont eu des réveils sexuels entre la fin de la trentaine et le début de la cinquantaine, mais beaucoup d'hommes de mon âge étaient curieux de se féminiser, de sucer des bites et peut-être même d'avoir des fesses. Mais je ne peux pas ... Read full Story
Femboy 2021 2023-02-17 1,438 Stockings Crossdresser Fetish Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial Sex Toys cum in mouth
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 12,264 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
100%
bi to sissy caught and turned
It was during a Wednesday nite supper this past April when Penny my wife of seven years, suddenly looked me straight in the eyes while calling me a GAY COCKSUCKER ! Instantly while I swallowed hard and quickly looked away from her, my worse dreaded fears in life had somehow just become reality! So ... Read full Story
redthongthong 2022-08-02 9,443 Crossdresser bisexual sissy crossdresser forced feminization CAUGHT!
50%
SISSY POUR UN JOUR ⚧️ ⚧️
Certains appelleraient cela une crise de la quarantaine... même si je n'ai que trente-cinq ans et j'espère que je n'ai pas encore atteint le milieu de ma vie. Certains me traiteraient de pédé... bien que j'adore bouffer la chatte et baiser ma femme. Certains appelleraient cela de la curiosité.... Read full Story
Femboy 2021 2023-02-21 1,306 Stockings Crossdresser Fetish Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial Sex Toys cum in mouth
100%
Camming Down the Rabbit Hole Ch. 07
Opening my eyes I struggled a little as the residual cum on my face from last night’s show hadn’t been fully wiped off, I felt the dry and crusty leftovers crinkle on my skin, but couldn’t help but smile to myself as I remembered how it had got there. The intensity of that orgasm had been on another... Read full Story
Dani_does_Dallas 2021-10-22 6,594 Stockings Small Tits Crossdresser Amateur Cumshot Masturbation Fetish Lingerie Sex Toys Homemade self sucking pov cum in mouth
100%
Camming Down the Rabbit Hole Ch. 11
I sat there for some time, my phone still in hand. I couldn’t fully comprehend the situation and where I was. All this started when I was put on furlough and thought I would be losing my job, an idea born out of boredom, hornieness and desperation. What started as a regular cam show with a guy hopin... Read full Story
Dani_does_Dallas 2022-04-25 4,518 Crossdresser Amateur Cumshot Masturbation Blowjob Uniform Lingerie Shemale and Girl Sex Toys Homemade self sucking pov cum in mouth
100%
Camming Down the Rabbit Hole Ch. 09
As per my previous mornings recently, I stirred and rubbed the sleep from my eyes, that delicious feeling of my silk night ware stretching over my taught nipples and my morning wood throbbing in its lace enclosure. The urge to touch myself was palpable, it seemed no matter how hard I came the night ... Read full Story
Dani_does_Dallas 2022-03-22 3,800 Stockings Crossdresser solo Amateur Cumshot Masturbation Lingerie Sex Toys Homemade self sucking pov cum in mouth webcams
100%
Discovering Mistress Sarah's World Part 4
Chapter 11 Discovering the Girl in Him For the first time since he arrived at Mistress Sarah's house, Josie was left alone in silence. His cock was still throbbing from all the attention from the girls. It continued to throb as he thought about his exciting assignments for the night. He picked up... Read full Story
shemale lover 2012-10-03 4,575 domination Sex Toys feminization
95%
Proud To Be A Sissy Chapter 8
I woke up to hear daddy lightly snoring and in my sleep I had draped a leg over him so that my body was almost covering him. I giggled to myself realizing that even in my sleep the sissy slut in me reached to grasp his flaccid penis. Then I curled closer up against daddy and contemplated about how m... Read full Story
shemale lover 2012-12-24 9,508 Teen (18+) Crossdresser Uniform Lingerie domination
50%
DATES NUITS
My wife, Denise, and I have been happily married for over 10 years. Over the years, we have enjoyed a vibrant and adventurous sex life. As we've grown in our marriage, we have become very open and honest about our sexual fantasies and desires. Through the years, we have come to realize that my w... Read full Story
Femboy 2021 2023-02-07 1,659 Stockings Lingerie Shemale and Girl Guy Fucks Shemale Interracial Sex Toys cum in mouth
83%
PF's Black Romp and JoyceLynn's Awakenin
When my wife and I first met, our sex life was fantastic! She was a very sexual lady and always made herself available. She usually wore stockings and garter belt or thigh highs, high heel sandals, and something that was sexy and suggestive. We made love and had sex in every room of the house, inclu... Read full Story
shemale lover 2012-05-17 4,527 Fetish Interracial Sex Toys
93%
Sissy schoolgirl and her black daddy
I can't believe this is happening right now. Here I am, a 16 year old white boy dressed in the sluttiest schoolgirl costume and makeup I have ever seen, being barebacked by an older, married black man. How'd I get so lucky?! Let me start at the beginning... It was summer time. As always I spent m... Read full Story
shemale lover 2013-06-22 40,230 Teen (18+) Bareback Creampie Lingerie ass fucking Interracial cd
50%
SOUS LA DIRECTION DE MAMAN
Jaime n'avait jamais eu beaucoup de chance avec les filles du lycée. C'était venu et reparti, et maintenant il en profitait un l'été dernier avant de partir à l'université avec sa virginité intacte. Ce n'était pas vraiment sa faute, il n'était pas un crétin ou un crétin, c'est juste que la vie et la... Read full Story
Femboy 2021 2023-01-26 1,753 Stockings Teen (18+) Crossdresser Cumshot Fetish Blowjob Big Cock Lingerie Shemale and Girl domination Guy Fucks Shemale Sex Toys cum in mouth
50%
LA CUPIDITÉ DE LA MÈRE
Nicholas a sorti son téléphone et a pris une dernière photo de sa maison. Nicolas emménageait dans une nouvelle maison aujourd'hui. Nicholas était un garçon de 18 ans, il était le plus petit et le plus maigre de l'école, il gardait ses longs cheveux blonds. Il n'était pas bon en sport et... Read full Story
Femboy 2021 2023-02-03 1,058 Stockings Crossdresser Fetish Guy Fucks Shemale Interracial Sex Toys
66%
Be My Bitch
After a long day at work, I get in my car, and look forward to the long drive home. It gives me time to unwind and relax. I try to forget about the hectic office and concentrate on my beautiful girlfriend waiting at home with that warm smile that she greets me with when I get there. However, tod... Read full Story
Go Balls Deep or Go Home 2018-08-06 31,809 Crossdresser Outdoor Bareback Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Interracial Sex Toys Ass to Mouth cum in mouth
100%
FILLE DE RÊVE ⚧️ ⚧️
« Alors, à quoi ressemblerait ta petite amie parfaite ? » « Toi », pensa Steph, regardant dans les yeux noisette avec des reflets dorés à l'intérieur. Il lui fallut quelques secondes pour se rendre compte qu'il devait répondre avec sa bouche. « Oh, euh… quelqu'un d'attentionné je suppose ? ... Read full Story
Femboy 2021 2023-02-17 1,242 Stockings Crossdresser Cumshot Fetish Blowjob Big Cock gangbang Lingerie domination Guy Fucks Shemale Interracial Sex Toys cum in mouth
75%
Sissify Your Boyfriend Manual - transation
original= manual-sissificar-a-tu-novio-4979 Used google translate, found some pronoun/object/context issues, and I believe ladybug = ladyboy Sissify Your Boyfriend Manual MANUAL FOR WIFE/GIRLFRIEND TO SISSIFY YOUR MAN, DISCOVER HIS SUBMISSIVE SIDE AND TURN HIM INTO ?HORNAND? AN... Read full Story
shelli_k18 2021-04-20 9,030 femdom sissyboy sissification sissy training FLR hotwife guidelines Modern Marriage Power exchange
84%
The Making of Erica - Sperm Loving Crossdresser
Confessions of a Crossdresser I am a crossdresser. It is an addiction. I’ve tried, but I really can’t stop myself: fantasies, endless looking at pornography, shopping, dressing, masturbation, and inevitably, seeking men to please. I have only sucked cocks, but over a hundred at my las... Read full Story
shemale lover 2015-09-03 16,871 shemales Masturbation Fetish
91%
Panty Town
Chapter One -- Jamie Jamie Sanders did not think he was a sissy. Growing up, he played with trucks and showed his innate male aggression though soldiers games with the other boys. He climbed trees and watched baseball with his Dad and brother. Unfortunately, by the time he was in eighth grad... Read full Story
shemale lover 2012-01-29 19,735 Big Tits sucking ass licking fucking
100%
David to Dee
"Dave," she purred, "you know you can tell me anything. Surely you know you can trust me not to judge you by your fantasies." He was squirming under her touch, his eyes tightly shut, trying to avoid telling her his deepest secrets on the one hand, and on the other, hoping beyo... Read full Story
shemale lover 2012-07-29 12,920 Cumshot Masturbation oral sex
100%
The New Nii
The bedroom door opened and the two lovers walked down the hall into the living room side by side. Deena was wearing her nightshirt that she wore a lot, and Jeffery was nude, and he picked up his clothes that I had put on the chair and began to get dressed. “Jeffery is going to go and get dinner an... Read full Story
Setinkhan 2021-05-28 5,900 Crossdresser Fetish threesome Big Cock Shemale and Girl domination Interracial Sex Toys
33%
Being Barbi's Bitch
After ten wasted years of foolishly trusting in love to 'cure' me of my femininity, I had only just begun to re-embrace the sissy inside me when something made me reach out to an old friend. What made me do it, I really don't know. Although I was once again revelling in even the smallest aspects of ... Read full Story
shemale lover 2011-10-01 9,223 Stockings sucking domination
92%
MY Party Favor Fantasy
My Party Favor Fantasy A fictional story built around an old fantasy of mine I ran a notice on one of those sex sites that said” Help me fulfill my fantasy and I bet we take care of some of yours also. Hi there, I am Penny and I am a total bottom trans w... Read full Story
pennypenny 2019-01-08 7,588 Stockings Crossdresser Group Sex Cumshot Masturbation Bareback Creampie Fetish threesome Blowjob Big Cock gangbang Lingerie redhead domination Guy Fucks Shemale Sex Toys Ass to Mouth cum in mouth double anal
100%
Camming Down the Rabbit Hole Ch. 10
As the sun beamed in through a gap in the curtains my now familiar morning wood strained at the silk of my nightwear. How was it that no matter how hard I came the night before it would wake up eager and ready to go. As had become customary my mind would be filled with the events of the previous nig... Read full Story
Dani_does_Dallas 2022-04-12 3,784 Crossdresser solo Amateur Cumshot Masturbation Lingerie Sex Toys Homemade self sucking cum in mouth webcams
100%
the orgiastic fever of a trans-milf
Simulating a woman, or the orgiastic fever of a trans-milf It's been two months since I moved to the megapolis, where I've discovered several places where the third gender goes. One of my first explorations was a huge lingerie shop in a MALL; I wanted to buy some sexy stuff without being noticed ... Read full Story
hippocampus_171 2024-09-04 2,304 anal Amateur Cumshot Creampie Shemale Fucks Guy Latex Sex Toys Mature small cock
66%
Cassandra Chapter 1
Cassandra is a tease, a flirt, a slut, a girl who lives very much for the moment. Unconcerned with propriety or fashion trends, she dresses in clothes that go right for the jugular of a fetishist's libido. Spandex, leather, latex, spike heels, corsets, overdone hair, make-up and fingernails - these ... Read full Story
shemale lover 2012-03-27 6,127 sucking fuck orgasm crossdressing
88%
Caught Crossdressing by a Real Man
This story is a continuation of night club cum slut. Ever since I first wore panties for a boyfriend, I had built up a collection of lingerie. I gradually worked up from panties to the most erotic lingerie I could find. My fascination with cross dressing went a little further with a new fetish f... Read full Story
shemale lover 2013-01-17 35,831 Crossdresser sucking Lingerie ass fucking ass fingering
87%
Taste of My Girlfriend's Dildo
I can't think of anything I'd rather be doing than sneaking into my girlfriend's wardrobe while she's out and trying on her lingerie. The moment she leaves the house, I head for her garter belts, bras and knickers. I don't have anything to put into her 36C bra cups, and my cock barely fits her p... Read full Story
shemale lover 2012-09-01 4,217 Stockings Crossdresser Cumshot Blowjob Sex Toys
71%
Birthday Present Part 1
Birthday Present or (I've Looked at Love from Both Sides Now) Chapter 1 "What would you like for your birthday?" my wife asked. "An unforgettable sex session" I answered, jesting. "Is that right? Well, we'll see" came the reply. I forgot all abo... Read full Story
shemale lover 2013-01-18 11,639 hardcore sucking Blowjob Lingerie ass fucking
100%
Camming down the rabbit hole Ch6
In the morning I decided to give the running a miss and do a long session with the DVD, my legs had become a little sore and tight so some extra stretches and yoga would really help. I once again surprised myself with how much more flexible I had become, the plug still in my ass giving me occasional... Read full Story
Dani_does_Dallas 2021-10-11 5,177 Stockings Crossdresser solo Amateur Cumshot Masturbation Lingerie Sex Toys Homemade pov cum in mouth webcams
78%
A Little Girl Forever
Since I was a little girl I dressed in my sister's clothes, she knew it and she kept clothes for me and sometimes she bought clothes thinking about me. She was my accomplice and still is. When I was alone I dressed totally as a woman and I felt totally satisfied and realized as such, this included m... Read full Story
Mabel Cecilia 2019-05-06 8,365 Small Tits Crossdresser Amateur Cumshot Latina Masturbation Creampie Blowjob blonde Lingerie Shemale and Girl Guy Fucks Shemale Sex Toys Mature self sucking Solo Shemale cum in mouth double anal shemale + shemale
50%
She also conquered my soul...
Initiation in a new era... Almost three months since I offered my virginity to a wonderfull he-woman, Selmi... unfortunately I had to cancel the second day we planned to spend together with my LORDESS because I quitted the town where we met the day before. Since, only few summer fling messages...... Read full Story
hippocampus_171 2022-11-22 4,328 Crossdresser Amateur Cumshot Masturbation Creampie Blowjob redhead domination Sex Toys Mature Homemade Ass to Mouth cum in mouth
50%
Alex One: House Sitting for a Friend
Sorry, this is a little rough. I've tried expanding the original version but ... i dunno. Anyways this should be a continuing series of some sort. Alex One: House Sitting for a Friend. By Alex Shouse. My friend Karen had worked her way through a somewhat bitter separati... Read full Story
AlexShouse 2012-07-12 4,082 dildo oral transvestite sissy
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 5,086 Crossdresser Big Tits Cumshot Bareback Creampie Blowjob Big Cock Ladyboy Lingerie Guy Fucks Shemale pov Ass to Mouth
100%
A Win-Win
A Win-Win By Sabrina G. Langton *** Author's Note: Hi, just a quick, crazy story about a wife actively participating in her CrossDresser husbands sex life. Just a bit of fluff, hope YOU like it.) *** We were laying in bed, sex was done, my wife could now relax for the rest of the month ... Read full Story
Brina Giselle 2024-03-31 4,506 anal Stockings Crossdresser Blowjob pantyhose kissing salon
100%
First Date With Daddy
My Dream Date. It hasn't happened yet, but a girl can hope, this story is very short story based on my fantasy's. It was Sunday night and I had my first date lined up with daddy. We hadn't met, but we had spoken online at depth and exchanged numbers. I had sent him a couple of pic... Read full Story
SEXYBADGIRL 2023-03-17 5,328 Crossdresser Bareback Creampie domination
25%
A Strange Romance
Although I was over qualified after I graduated and accepted a one as an Internet operations officer for one of the high street retailers. I was offered better jobs but I took the one with the retailers because it paid reasonably well and more importantly meant that I would have to relocate down to ... Read full Story
shemale lover 2012-07-05 7,128 Creampie Fetish crossdressing virginity
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 6,600 anal shemales Group Sex
100%
Anastasia's Life
Chapter 1: Humbling Beginnings My story starts where most every crossdresser's story starts. It starts somewhere around the time I was an infant. I can remember, not to mention being told several thousand times that my choice of toys as a child was dolls, strollers, dress up and tea parties, Barb... Read full Story
shemale lover 2012-11-26 7,483 Fetish cock sucking crossdressing
100%
TO BE OR NOT TO BE – PART 2
TO BE OR NOT TO BE – PART 2 by Spanky de Bautumn Part 1. Sunny, Mel, and Shari learn they are going to New York to perform a play off Broadway and are really excited about it. Being a small troupe, we unseen members had to wear many hats. Unfortunately, there was just the two of us, Joe Donn... Read full Story
SpankydeBautumn 2021-02-22 3,953 Small Tits Crossdresser Cumshot Bareback Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial cum in mouth
100%
I Fooled Everyone But the Black Pimp Part 4
Fuck. I said I wasn’t going to do any drugs and I’m drinking this Gatorade that I know has something in it. Trish said it would help my nerves, and it has, I feel loose…and very horny. When I’m usually horny my cock is hard but right now, I’m putting lotion on my body and I’m going really slow over ... Read full Story
cdtampa4u 2023-05-17 5,278 Crossdresser Blowjob Interracial sissy bbc
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 31,417 strapon porn
83%
Discovering Amber
I have always enjoyed women's lingerie. From looking at catalogs to seeing girlfriends wearing it I have loved the look and feel of sexy, silky lingerie but for me it has always gone deeper. At 18 I tried on my first set of panties, oh my God that was wonderful! It was all downhill from there. Event... Read full Story
shemale lover 2012-09-28 6,423 Cumshot Fetish Lingerie oral sex
75%
Rebound
My story is nothing new, like most girls who used to be boys I knew from an early age that I was different to all my school friends. My dad was a thug of a man, who enjoyed the physical battle of the rugby pitch as much as the post match booze up, but I took after the mother who died giving birth to... Read full Story
shemale lover 2011-11-25 6,421 anal Creampie oral
45%
Shemale Prostate Orgasmic Bliss!!!!
if she wanted breasts." "Oh no. That's the amazing part. The more I dressed him the more feminine he became. By now I'd moved him her and her clothes into the other bedroom. She wasn't happy with that but we came to an agreement; I'd milk her once a week and she... Read full Story
ProstateMilker 2015-05-01 14,154 Masturbation cum orgasm cumshots prostate
100%
Beryl's birthday suit
I tried on my sister's panties when I was 12. They looked so cute, so sexy.. I couldn't help myself. I tucked my dick between my legs and pulled them over my hips, delicately positioning them just like a girl. They felt yummy! When I saw the shiny, lacy pink briefs in the mirror - snug, flat pu... Read full Story
Beryl 2023-12-12 7,709 first time Stockings Crossdresser Bareback Blowjob Big Cock Lingerie redhead sissy cum in mouth
100%
Rachel and Chris - followup for Crissy
“Crissy!” I shouted at you as you peered out of the closet door. “What in the hell are you doing spying on Rachel and me?” I asked. Before you could answer, you saw my hard cock pull out of your sister’s pussy, covered in shiny sweet juice. You knew you wanted it ... Read full Story
shemale lover 2012-04-10 2,688 Creampie cum swallowing crossdressing
100%
Birthday Present
Chapter 1 "What would you like for your birthday?" my wife asked. "An unforgettable sex session" I answered, jesting. "Is that right? Well, we'll see" came the reply. I forgot all about the exchange and nothing else was said about my birthday. The day arrive... Read full Story
shemale lover 2012-06-16 14,413 Cumshot Fetish orgasm oral sex
100%
The Society
I met her during the summer. I was only nineteen and working to save some money for college. I had been raised by my grandparents who had both passed away over the past year. After the burial costs I was far from wealthy. My parents weren't around so I was on my own at a young age. I had moved a cou... Read full Story
shemale lover 2013-01-10 17,650 Crossdresser sucking Big Cock ass licking big boobs
72%
ACROSS THE STREET AND TWO DOORS DOWN by Spanky de Bautumn
Jamie knew he was different. He didn’t fit in with the other boys, but he didn’t feel like he fit in with the girls either, he just knew he was different. He wasn’t into dolls or balls. He was the smallest boy in his class and more than half the girls outweighed him. But the one thing he had going f... Read full Story
SpankydeBautumn 2021-01-29 11,707 Teen (18+) Small Tits Crossdresser Fetish Blowjob Lingerie Guy Fucks Shemale cum in mouth
80%
Chastity and its effects
I actually thought of writing this for some time now, this quasi-scientific testimonial and reflection about chastity. Now, I finally had some time to reflect, gather and compare info and experimentation from personal experience about the topic. More specifically, the effects it has on the mind and ... Read full Story
DoraTV 2023-02-09 6,558 Crossdresser anal play chastity sissygasm Sissyfication story chastity orgasm
76%
Nylon teasers
They came into the video store where I worked as a clerk. Almost every day. Teasers. Both of them. What made it both great and terrible for me was that it fed my deepest fetish -- stockings -- as it denied me any fulfillment other than frequent and frantic "self-gratification."... Read full Story
shemale lover 2012-01-30 10,210 Stockings Big Tits fucking foot fetish
100%
The Interview
The Interview By Sabrina G. Langton *** 'A crossdresser goes on an interview in lots of pink, of course she gets the job' 'Author's note, just a quick little story with some really graphic sex, and a little tiny moral. I hope YOU like it.' *** "Okay, sit, sit, let's get started. S... Read full Story
Brina Giselle 2023-12-04 6,987 anal Crossdresser Blowjob heels cum in mouth pink dress
75%
Honeymoon Suite 2
Jason is on the phone with room service, while I am about to change out of my wedding gown. I had just got married, and I was now the blushing bride. Yes I got married. I was nervous now and my pussy was burning, because of the crazy bet we had made about not having sex a week before the wedding. We... Read full Story
Regina10 2021-02-22 3,897 Stockings Crossdresser Big Tits Cumshot Bareback Creampie Blowjob blonde Lingerie Guy Fucks Shemale Ass to Mouth cum in mouth