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1 definition by Some big git

 
1.
Acronym within porn industry for "ass to other girl's mouth" describing the recipient of analingus.
The scene features anal, A2Ms, A2OGMs, and a whole lot of energy. Actually, Cortney shies away from A2OGM (Ass To Other Girl's Mouth) until the cumshot.
by Some big git July 03, 2006