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this forms after anal sex when the sperm enters the anus and is not cleaned afterwards...then the sperm dries up inside of the anus and becomes crusty(this usually happens only if the anal sex has been continuous)
Damn that bitch is so nasty I only had anal sex with her once but she has hella buttnip!
by Insane horse racer June 10, 2006
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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