Top Definition
Acronym for Parasitic Massively Multiplayer Online Role Playing Game, which describes a game so parasitic, that it sucks the very Life Blood out of you. You practically have to be online 24/7, and it is worse than a job you hate but cannot quit.
Mafia Wars has become a PMMORPG. I can barely break away from it for an hour.
by [TOM] ThunderDawg October 14, 2010

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