The remainder of goop left over from a massive shit that plopped into the toilet, causing the poo, pee, vomit, bacteria, menstrual blood, and whatever else is in your toilet at the time to spew up into your anus, leaving you with a dripping mixture of FUN.
Sam:Yesterday I let go of a perfect 'S'!

Joe: AWESOME!

Sam: Not really... left me with one hell of a Crusty NastyAnus
by Fracktard January 6, 2012
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