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Acronym used in text messages and message boards standing for 'Rolling on floor jerking myself off'. As ROFLMAO implies something funny was written, ROFJMO acknowledges something sexy.
Moe: What did you think of "Unfaithful"?
Curly: ROFJMO!!!!!
Moe: me too; Diane Lane is hot.
by Timmy the Geek January 14, 2009
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