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1. Of or relating to the ass or the region thereabout.

2. Acting, smelling, tasting, looking, feeling, or sounding in a manner that resembles that of an ass, or very badly.
God damn! This diet Coke tastes assful.
by Tenkin October 17, 2003
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3
"That bumscummin' bitch over there sure is assful."
"What'd you say 'bout my mum?"
by Bastardized Bottomburp March 22, 2003
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