A manner in which mostly homosexuals masturbate or perform fellation by kneeling on the floor of a stall and facing the stall of their genetalia close to the person next to them.
by Fratgame May 13, 2007
Get the Under the stallmug. Popular party game played by straight frat guys put eachothers penises in their mouths and guess who's it is
by Fratgame December 25, 2008
Get the who's in my mouthmug.