A fart that smells so bad, it is unforgivable.
Person 1: (fart)
Person 2: Dude!?
Person 3: Come on man! That was straight up ASSPHEMY!
by Laturna Noes July 22, 2013
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irreverent or blasphemous behavior toward the ass of another; speaking poorly of another's gluteus
A:"That girl has no ass. I wouldn't want to tap that." B:"No way man, that's assphemy. She's got some cakes."
by mattandalbc January 7, 2011
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