by Dan Pope-Davis May 13, 2005

A one-hand grip maneuver performed on a scrotum; either your own (usually during the penis showing game), or someone else's (during oral sex, foreplay or cbt). The scrotum is grabbed near the base, squeezing until the skin is tight and the testicles beneath bulge out to form the appearance of left and right "lobes" of a brain.
by Phoenyx November 16, 2006

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.
Me: That's none of my concern; I'm not a jock, I'm a brain.
by Michael B. Morton September 23, 2006

A part of the body we rely on for all feelings and emotions, knowledge and wisdom - and incidentally running the physical side of ourselves so we can enjoy wonderful things such as SEX!!
Her brain surgery was successful.
by The Mamma with the Quan December 13, 2007

...Brains? ..braaaiinss...
by Carraaaannn802 February 21, 2011

This counterterrorist thought I planted B when it was actually A. I brained him.
Dog thought I threw a ball and ran to get it. Brained.
Dog thought I threw a ball and ran to get it. Brained.
by MisterPOP December 17, 2018

A brain is a grey slime filled organ inside the body that helps you to stay alive. It creates paths every time you think of something and uses the opposite side for body parts.
1) Left Side of Brain - Right Side of Body
2) Right Side of Brain - Left Side of Body
3) Think of Cars - Path through your brain.
4) Yes your brain is grey not pink!
2) Right Side of Brain - Left Side of Body
3) Think of Cars - Path through your brain.
4) Yes your brain is grey not pink!
by Iron Shauna 04 August 15, 2017
