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

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

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

by thespideyninjagirl March 12, 2011

OMB

Old Man Band. like daughtry/nickelback

note: the members of the band dont actually have to be old for it to be an OMB

me: ew i hate this song
liv: ikr its such an OMB
nico: whats an OMB??
freddie J: an old man band you impudent hot dog!
nico: oh..
me and liv: *RIP*

by omganomb April 24, 2011

OMB

Oh My Bieber.

Instead of saying OMG(Oh My Gosh/God) you say OMB(Oh My Bieber) in respect of Justin Bieber

OMB! I looooove your new Justin Bieber poster!!!

by BelieberGalForever May 31, 2010

OMB

The shortened version of the explanation Oh My Brendon. Similar to Oh My God (OMG) but used by the Fueled By Raman Fan base. Variations include 'Oh My Bren' and 'Oh My Bden'.

Panic Fan 1: Panic at the Disco are coming in 2 months!!
Panic Fan 2: OMB!!!!! NO WAY!!!

by SgtxxPepper November 21, 2008

OMB

(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 6, 2010