Top definition
Stands for Out Of My Fucking Mind or Out Of My Ass, thought to be first used in the year 2009 when a student was too damn lazy to say the entire phrase.
Guy 1: This place is so dull
Guy 2: I know I'm bored oomfm.

Guy 1: Dude your presentation rocked!
Guy 2: Really? I was just pulling shit ooma!

Example should include the word oomfm or ooma
by dalizard January 16, 2010
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