1 definition by one less lonely girl

OMB

In other words - Oh My Bieber
Used just like OMG by Justin Bieber's fans.

Bieber fan #1: "OMB, she's wearing oversized sunglasses! Doesn't she know that Justin thinks they're overrated?"
Bieber fan #2 "And she's wearing ugg boots! This girl has no chance! He hates them!

by one less lonely girl May 6, 2010