1 definition by dale5605

MMO (emm emm oh)
noun. Informal.

Massively Multiplayer Online Role Playing Game MMORPG
A game that can typically be played with only the left mouse button. Many cost money per month to play online, unlike other games. Requires minimal skill but maximum amount of time playing. Gameplay usually involves performing some simple action(s) thousands of times repeatedly to "level up".
"World of Warcraft is a great MMO, 15 dollars per month well-spent."
by dale5605 December 14, 2005
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