when you moon someone, its the part of the sac you can see from the back.
Shit, Dave just mooned us and showed some brains.
by D day November 09, 2003
A hefty chunk of muscle & tissue that, over time, accumulation in your cranium. A large percentage of a certain anonymous school lacks this potentially deadly weapon called a brain. Brains come in many different shapes and colours but below is a short factual story about a boy, with a brain too big for his own good.

The master of all that is brain and over lord of his palace of coolitude is a extravagant individual of pure intelligence. His servants, Adam, Ben & Adrian residing forever by his side kept well under cover the true capability of his brain. His rough, pale skin and constant hyperventilation does not reflect the many ways in which this personality can be described in a word… cool. In the year 1990 a red headed woman, her energetic daughter and her specialized hairdressing other half, entered a substantially well built hospital in southern Mansfield just past the border to Sutton-in-Ashfield. As the family entered the ward a tense atmosphere rose as an abundance of collected ward nurses dropped their clipboards and dashed towards the struggling woman. They entered the theatre. A few hours after, exiting through two large main doors of the childbirth wing, immerged a family of 4. Thus a new era of righteousness was upon us. A new way of life was about to become reality. A path in which we could all follow was clearing. It was the birth of Shane.
XXX- Look its Shane.
YYY- Goddamn hes so... intelectual. I can almost feel his brains working from here.
XXX- Should we ask home about homework?
YYY- YOU CANT JUST WALK UP TO SHANE AND TALK TO HIM! Look theres Adam. We'll ask him to talk to shane for us.
by TOMMEE June 02, 2006

1. noun: marijuana


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."
by brayne September 27, 2006
(verb)a blow to the head, either intentional or unintentional, which may be self inflicted.
My head hurt when I brained myself on that low doorway.
by melancholycoconut March 05, 2006
a girl wearing a miniskirt so short you can practically see up to her brain
The entire world saw Lindsay's, Britney's, and Paris's brains this past year.
by ...<@!+Y March 19, 2007
to give someone a blow-job
i'm going to brain him
by seres August 06, 2005
the lights of a car
Young buc(G-Unit): /I bought me an old school(truck) and blew off the brains/
by beezy November 30, 2003

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