Top Definition
One which is overjoyed by the action of playing a "Massively Multiplayer Online Role- Playing Game", or MMORPG.

MMO- from acronym MMORPG

Addict- one who surrender's oneself to something obsessivley.
MMOAddict pwns ur mom!!

MMOAddict kicked my ass!!

I wish i was MMOAddict....
by Guess? August 30, 2004
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