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.
He shmagfaed all over me and it smelled really bad.
by Dr. Establishment October 06, 2010