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 8, 2004
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A big wad in your head that controls all your functinons and gives you the ability to remember stuff. Get your mind outta the gutters sickos.
She's smart..she must have a big brain!
by DanielleMT95 August 2, 2008
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A pink thing inside our heads that nobody seems to use anymore, especially in math.
Teacher: C'mon it's easy just use your brain.
Student: What the fuck is a buh-buh- brai-brain? Like what even is yo.
by OLA MY NAME IS JUAN September 3, 2016
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A game in which if someone says something stupid, another person yells "brains" and slaps the person who said the stupid thing on the back of the hand
Jim: Wasn't Bob Ross a scientist
David: Give me the brains *slaps Jim on the hand*
by Queen._.Bee February 12, 2017
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I'm getting brains right now-call back later....
by playnpimpnballer September 14, 2003
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The faithful dog belonging to Inspector Gadget and his niece Penny. Brain is Penny’s sidekick, and helps her on missions. Brain has human level intelligence, and can do things that normal dogs cannot, such as ride bikes and use tools. Brain has saved Inspector Gadget countless times. He loves his human comrades, especially Penny. Brain will do anything to protect his humans, and usually endures astounding amounts of punishment. All he wants in return is the company of Penny, and food.
I would love to have a dog like Brain, and a daughter or niece like Penny.
by Hawks.Fan.12 April 20, 2020
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oral sex

a slang term coined from the fact that head = brain.
'They call me the scarecrow, cuz I'm lookin' for some brain' - Nick gotta Cannon
by Johnny Twoguns August 13, 2004
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