brain 

when you take one of your nuts and flash it through the hole in the front of your boxers. resembling a brain.

i gave mikey the worst brain...he was scarred for life.

brain by Scoot m. September 17, 2008

brain 

1. referring to the act of giving "head"

2. also referring to an attractive woman, or one who you'd like to receive brain from.

"Yo Ant, your sister totally gave me some steaming hot brain last night."

"Daaaaamn, that female is quite brain, and I do believe I would enjoy sticking my penis within her speaking hole."

brain by Rob Engle September 19, 2005

brain 

Verb:
- To smash the skull of
- To hit or bang (someone) on the head.

I thought about studying, but decided to brain myself instead.

That guy called my mother a whore, so I had him brained.

brain by Joe Odell April 16, 2008

brain 

A casual blowjob - better known as Cashj Beej

"This skank hooked up some brain last night - I knew she was down for cashj beej."

brain by bTreezy November 10, 2006

brain 

Referenced in the movie 'Waiting. . .' it is the isolation of one's ball sack by squeezing the ball sack at its base and making it puff out thus resembling the shape of the human brain.

Just to see his reaction, I shot Brian a flash of my brain! That fucking meat gazer seemed to enjoy it!

brain by Amato75 May 28, 2006

brain 

simple... another word for head. suck it or not?

"chillin like a scarecrow lookin for some brain"
-lil wayne

brain by flipperrrr July 14, 2007

brain 

Something made to make us think we can think.

My brain is tryna convince me intro thinking Im capable of thinking.

brain by Toronto Raptors January 26, 2008