Top Definition
Crusty Butt consistantly follows mud butt, it is the dry doo doo build up in the anal region of the buttocks, this usually occurs 45 minutes to an hour after defication.
I failed to wipe good after my diarrheal explosion i had in the bathroom 45 minutes ago and now i have crusty butt, I am very uncomfortable.
#dingleberries #lingering shietas #flaky butt #dirty butt #skid marks
by Michael Riley April 06, 2006
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