Top Definition
When someone farts during anal sex. We all know these mystical farts exist, and they are much more than a regular fart, and so they must have their own name.
Man, my girl laid a shmagfa on my dick last night and it hurt like hell.

He shmagfaed all over me and it smelled really bad.
#anal sex #butt sex #fart #butt #anal #queef #poop
by Dr. Establishment October 06, 2010
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