1)a good feeling in your mouth
(a reference to a Simpson's episode when Ken Griffey Jr. tries Mr. Burns nerve tonic)
1)It's like theres a party in my mouth and everyone's invited!
by jonnnnnnnnnny July 20, 2006
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When you eat a sandwich that is so good, that the experience is as good as, or better than, sex.
This sandwich is so good, I think I just had sex in my mouth.

by Ham bag September 05, 2006
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When you eat food that is so freakin fantastic that it's like having an orgasm... but in your mouth... and without a mess.
Man, that Thai food was so phat that i'm having an orgasm in my mouth. I'm spent!
by Leif April 04, 2005
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a sex game where the girls are blindfolded and they have to guess whose penis is in their mouth.
yo danielle and jamie played whose in my mouth lastnight and jamie guessed everyone right
by the assassin07 November 19, 2007
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3+ boys and 1 girl in a dark room. Usually played with 12-16 year olds in their moms basement/dark closet.

The girl is given guy parts to put in her mouth and the whole point of the game is to guess who its it
Yo me kenny and steve played Who's in my mouth? with that polish slut alex. She totes guess it was me right away cuz i have the biggest cock.
by Alex Matysek November 12, 2006
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A phrase which describes one's feelings of pure desire and/or support when paired with a given subject.

Conversely, "Get Out Of My Mouth" describes a general feeling of disdain and disapproval.
"Oh my god. Lady Gaga and Madonna, GET IN MY MOUTH. Then mix in my stomach to create beautiful music that I may dance to"

"In n Out Burger!? GET IN MY MOUTH"

"Ew, Sean Connery? GET OUT OF MY MOUTH".
by omgGIMM August 09, 2010
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Popular party game played by straight frat guys put eachothers penises in their mouths and guess who's it is
Last night dude it was crazy we were playing who's in my mouth and i knew it was tony's foot long!
by Fratgame April 23, 2007
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