1 definition by George Merriam

1

(oh-em-bee) A phrase similar to OMG. Simply put it means Oh my Bieber. Usually used by a underaged teen ager who is a fan of Justin Bieber. acronym.

Bieber fan#1: OMB! Justin just made a new song.
Beber fan#2: I know, it's SO good! OMB!

by George Merriam November 05, 2010

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