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1.
similar to a dust bunny but resides in the crack of your ass,
A huge Ass Bunny came out of my ass when i took a shower last night.
by Ghetto Master Charles November 26, 2010
 
2.
Little clumps of hair and fecal matter that reside in your rectal regions.
"Damn it, who left ass bunnies on the toilet seat?"
by Habeeb March 23, 2008
 
3.
The fuzzies you get in your ass crack from your underwear (or lack there of).
Bill: Hey bro, what's happening?
Reggie: Not much, just picking my assbunnies.
Bill: Man I hate assbunnies. I one time had an assbunny that was the size of a marble.
by AliceBobCarol October 11, 2011
 
4.
Constanza. You know.
"You are such an assbunny."
by Secret Squirrel March 10, 2005