1. (n., adj., adv., v.) Any object or occurrence that proves to be inimitably ridiculous, either through keen intelligence or blatant idiocy

2. (n.) A facetious modifier serving to replace the linguistic context of any other word
"The Crank Yankers episode was brain-ville."

Person 1: "Jackson went to a bar last night, by the way."
Person 2: "He went to a brain."
by Matt Wood May 11, 2005

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Not the most important part of a man ;)
Anne:omg isnt he's a genious whoa thats what we call a brain
Athina:uh what?brain?uh yea sure
Athina's inner self:duh there were much better things to notice..
by Dathinae May 03, 2008

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Any individual (male or female) who posesses an I.Q. greater than 170 who is completely absorbed by books, music, and other subjects not remotely related to sports. The opposite of a jock.
Co-worker: Hey, did you see the Eagles games last night?

Me: That's none of my concern; I'm not a jock, I'm a brain.
by Michael B. Morton September 19, 2006

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1. (n.) Any object or occurrence that proves to be inimitably ridiculous, either through keen intelligence or blatant idiocy

2. (n., adj., adv., v.) A facetious modifier serving to replace the linguistic context of any other word
"That Crank Yankers episode was brain-ville."

Person 1: "We went to a bar last night, by the way."
Person 2: "You went to a brain."
by Matt Wood May 12, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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n. scrotum
due to the folds of skin on the scrotum that resemble folds of gray matter
Friends television show, with a man going commando and "showing brain"
by Blade April 27, 2004

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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!
by Brainiac! May 22, 2007

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Something people don't have, when they attempts to relate it to sexual behaviors.
Brain is obviously a excessive organ for sex-obsessed animals.
by Peevee August 11, 2006

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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