1 definition by marissabieber

OMB

Beliebers (aka Justin Bieber fans) say OMB instead of OMG. OMB is basically the same as OMG, but Bieberized.

OMB! I'm going to Justin Bieber's concert in TWO WEEKS!! EEK!

OH. MY. BIEBER. YOU MET JUSTIN?? AAND got his AUTOGRAPH?!?! LUCKY DUCKKKK!! :(

by marissabieber January 11, 2011