Word used to describe a highly annoying per who knows everthing, or rather thinks they know everything. Will even dispute what a person of higher knowledge is saying
Sally: The sky is blue

Helen: I think you will actually find it's red, thats a fact

John: Typical of The Brain...
by John6690 January 31, 2008

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Top Definition
When u grab your sack and squeeze forcing your balls to go tight against the skin, causeing THE BRAIN!!!
Dan-THE BRAIN!!!
Steve-AHHH WTF DAN
by J-dawg January 01, 2005

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the grabbing around the top of a mans balls, creating two lumps, thus "the brain"
I was going to eat that 3 bean soup, until Nick gave me the brain.
by NickX901 April 17, 2006

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A super-smart talking mouse from cartoon animaniacs.



Do they still make that show? I haven't seen it on TV in the last seven years.
Pinky and the brain, Pinky and the brain, one is a genius, the others' insane!
by Gumba Gumba April 08, 2004

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the art of grasping the top of your ballsack and squeezing the testes outwards until your little friends resemble a brain.
I cant believe Bobby gave you the brain last night, disgusting!
by chuckles09 May 30, 2007

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Grab your balls very tightly so that they squeeze together forming the image of....a brain. Then show it to another straight male and call him a fag and kick him in the ass twice.
Male 1: (pulls out testicals and squeezes them together) "hey Male 2, look over here."

Male 2: (looks) "AWWW DUDE!!!"

Male 1: "THE BRAINS!!!! OMG you are such a FAG!! BEND OVER."
by Jiub June 01, 2006

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a slang term for oral sex
Them sluts on da corner are gettin brain
by D March 16, 2005

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