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A turd, shit, or feces, that has a spherical shape to it. Rabbits, deer and sometimes humans will have caca balls.

A phrase that my girlfriend has because she is too much of a lady to swear.
Hey man, look at all that shit!
Yep, that's what you call a caca ball.

My GF: You are such a caca ball!
Me: WTF is a caca ball?
by Dude Grease April 10, 2007
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