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1. cat brains
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!!!
2. cat brains
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.
3. Cat Brains
The brains of a cat. usually dead, but there are exceptions to this rule.
Steve: You know whats good on toast?
Jim: Cat brains?
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