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Acronym T.O.M.M.O. - "That Other Massively Multiplayer Online game." This acronym refers to World of Warcraft (WoW) and is used by forum posters on other MMO boards and related sites when wishing to speak about WoW but without actually invoking its name in order to avoid moderation. TOMMO is used interchangeably with the phrase, "That other MMO that shall not be named."
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