mad brains

Mad Brains is a synonym for the incidence of receiving a very good blow job.

Man, that girl gave me mad brains last night.

mad brains by pba24899 February 20, 2010

madbrain

Someone who is crazy, or acting crazily.

"Look how recklessly that man is driving. (he is a) madbrain"

madbrain by bananamilkshakefiend October 15, 2009