1. internet shorthand usually meaning 'covering my mouth giggling'. Often used in online multiplayer games to suggest that comeback was extremely funny.
Taking the gayness of aol short-hand to an all new level
Taking the gayness of aol short-hand to an all new level
Player A: stfu noob
Player B: I did your sister
Player C: cmmg
Player B: I did your sister
Player C: cmmg
by Mangina4u
October 14, 2005
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