someone who fucks in the mouth
quit fucking me in the mouth you mouth fucker
by eric September 01, 2003
2. one who fucks up words when talking, a fuck may be added to their sentence
Little Billy: Don't eat silicone shit outta yo face! I mean..don't eat that stuff...?
Littly Jimmy: Little Billy, you're quite the mouthfucker.
Little Billy: Shut yo face...
by yangster October 23, 2006