to ask a group of buddies if they have ever seen cat brains, when answered with a no proceed to whip out sack and say look, when they turn around yell cat brains!

southern version of the sack attack!
carl: hey guys ever seen some cat brains?

guys: Hell no, thats sick!

Carl: look, (pause) Cat brains bitches!!!
by jimmy haynes January 31, 2008
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when a male crams his balls through the fly of his pants and unsupectedly shows a female or male for that matter.
Yo that girl sucked the knowledge out of my cat brains.
by ms.kittey June 10, 2006
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1. The showing of one's scrotum bunched up in one hand tightly so it resembles cat brains. Usually used to make someone look so you can then call them "gay" and a "fag" and with good reason.
Brian: Hey colin look at this
Colin: What
*Brian whips out the cat brains
Colin: WTF thats nasty
Brian: OMG you looked what a FAG!
by Kirk Johnson November 27, 2005
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The art of squeezing the scrotum tightly so that it looks like a cats brain. Typically hung outside of the pants in an attempt to get someone to look at it.
Have you ever seen a cats brain? Similar to asking if someone has something on their shirt.
by Fraggle145 January 10, 2007
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The brains of a cat. usually dead, but there are exceptions to this rule.
Steve: You know whats good on toast?
Jim: Cat brains?
by Jimfaaace November 5, 2006
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When you squeeze your ballsack really tight and the balls are on the top it looks like a small brain.
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by Anonomus February 23, 2005
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Adjective:
1) The term used to describe the state of a nut sack when subjected to cold weather.
Dude, I have the worst cat brain right now... I cant even find my nuts.
by Croy33 March 9, 2017
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