Definitions by Doug Lorenzen

balls in your mouth 

A term that most commonly means "shut the fuck up or I'll shove my balls in your mouth", or "get the balls out of your mouth".

Doug: HEY EGG, BALLS IN YOUR MOUTH!
Egg: DOUG IM GUNA FUCKIN KILL YOU *throws tripod at doug*

balls in your mouth by Doug Lorenzen November 11, 2005