1 definition by Andrew I

Top Definition
An acronym of the Phrase Oh my Bijan. Used in times of excitement or times were you are surprised.
1) *You thro a flash off the wall and flash yourself*
Then you yell OH MY BIJAN!

2) Person A: Guess what?
Person B: What?
Person A: I just got rejected via text message :(
Person B: OMB!! that sucks so hard
by Andrew I March 13, 2007
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