brain 

A blowjob that is so forceful that the penis may penetrate the giver's brain. This forcefulness is most likely due to a) a large penis b) an aggressive thrusting motion c) the ramming or pushing down of the head with a hand d) any combination of the above factors.

You got Brained!
I want to Brain her!

brain by Brainiac! June 9, 2007

brain 

to give someone a blow-job

i'm going to brain him

brain by seres August 31, 2005

brain 

an exclamation loudly expressed while one plays shooting videogames and deals a headshot to another player.

*player one shoots player two in the head and kills him*

"OOH! BRAIN, SON! BRAAAAINN!!!"

brain by excel excel excel March 11, 2009

brain 

Brain

1. noun: marijuana

Brained

2. adjective: to be heavily under the influence of marijuana. stoned or wasted.

"Bro, I've just finished torrenting the new Lost episode. I need to score some brain."

"I can't answer the door. I'm way too brained."

"That movie is fuckin awesome on a brain."

brain by brayne September 22, 2008

Brain 

Brain is the ultimate blowj*b, the type that gives one a brain freeze and make your toes curl. mostly performed by females that are very experience in oral sex.

dang! that girl gave me brain, u can tell she went to a good school.

Brain by Dr. High January 9, 2008

brain 

Brain is NOT another word for head like many people seem to think, but rather the art of a girl sucking and massaging the male testes with her mouth and tongue.

i have never had the fortune of recieving brain, but i hear it is quite the superb experience.

brain by Phenom Jackson January 5, 2009

brain 

In Britain to brain someone is to beat them up; to smash out their brains!

Just let me know before I go and brain Louise with a baseball bat.

brain by sweeeeeeeeeet June 24, 2010