the little balls of toilet paper that get caught and rung up in your ass pubes that are immune to being picked. Very valuable when collected in a large quantity.
1. When the nigger tried picking my ass cotton, he couldn't make them budge.

2. I had so much ass cotton wrapped up in my ass pubes that I no longer could drop the kids off at the pool.
by Daniel0504710 February 13, 2008
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An unexplained large amount of cotton that is generated in someones ass crack from as a result of his underwear. This strange compound is extremely satisfying to pick out
Dude 1 : Dude, look what i have.
Dude 2: Dude, is that your ass cotton? Nasty bro...
Dude 1: Yeah but dude, it's so satisfying.
by Infernalboi November 1, 2018
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Cotton Ass Crack or more commonly refered to as a crusty asshole is when, like cod mouth, your asshole becomes dry and skin starts to peel resulting in a burning and itching sensation on and around the asshole.
Dammit Ronda, get your lazy fat ass over here. My COTTON ASS CRACK itches like a mother-fucker and its peeling all over the damn couch.
by NICMOZ May 21, 2008
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