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1 definition by Alex Matysek

 
1.
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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