1 definition by SmashinOnEm

A girl that gives great "brain" or in other words, knows how to suck a dick.
Lil Wayne-- "Einstein... her head is the greatest."
Joe: Dude im tellin you, shes like Einstein
Burt: How do you know what kinda grades she gets?
Joe: No dumbass, she made me cum in like 10 minutes last night when she was giving me brain!
by SmashinOnEm January 13, 2010
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