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When you make a silent fart, sometimes, there will be a lingering smell. It will not go away quickly like a normal fart. It can smell like gas from the stove or it can smell like popcorn. Smells like it would be dangerous to light a match.

Is possible to occur after a loud, audible fart.
Oh, goddamn! Whoever farted released some gas-smelling ass fumes...
by Wasabimoto June 18, 2008
When a whore smells like ass mixed with bad perfume.
Damn, that girl's a whore. She's releasing assfumes.
by mikerulez101 October 17, 2010