The lint/fuzz that collects in one's ass crack over a period of time. Composed of excess material from cheap boxers and loose ass/crack hair. Usually found in a tangled mass by itching one's ass crack.
John discovered a massive clump of ass lint buried deep in his ass crack, and flung it at Bryan while typing this.
The lint stuck in your upper ass crack, from wearing various types of under garments.
This girl was giving me a rim job, and she licked out all of my ass lint.
tiny pieces of feces/boxers that reside at the beginning of ur ass crack
Eww i jus wiped my ass and there was ass lint all over the toilet paper
dingleberries that collect at the beginning of ur ass-crack
eww i jus scratched my ass and my hand was covered in ass lint