omb 

Dont want to be blasformas? dont say oh my god say OH MY BUDDHA

OMB paul is such a retard(a pile of sticks)

omb by The Daz Man October 21, 2003

OMB 

oh my buddha

liz! omb! i hate life!

OMB by supah fucking liz June 14, 2009

OMB 

Oh My Bellamy.
This is taken from the name of Muse's frontman Matthew Bellamy.
All Musers (Muse fans) who exclaim something, instead of saying OMG (Oh My God) they say OMB.

OMB Matt looks so hot!

OMB you're a Muser

OMB we have so much Musey stuff in common

OMB there are Zetas in the skies

OMB by Anon Cydonian of Delusion July 7, 2011

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!

OMB by one less lonely girl May 6, 2010

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!! :(

OMB by marissabieber January 12, 2011

OMB 

It stands for Oh-my-Bacon. There were many reasons for this: 1) Canadians are awesome 2) its really catchy 3) created by girl who had a dream to spread this phrase. Hopefully this is going international :)

Omb, i can't believe he just did that

OMB by thespideyninjagirl March 28, 2011

omb 

For crazy Muse Fans
Oh My Bellamy

(Matt Bellmay;lead singer)

Muser1: "Muse are touring this year"
Muser2: "OMB! seriously!"

omb by GreenknotParaParkLow June 21, 2011