look up any word, like blumpkin:
 
1.
Old Man Gangbang. Slang used in text messaging among teens, usually referring to a sbbq or other sexual gathering where one or more adult men are present.
No fkn way ill be @ the sbbq if Amy's dad's gonna be there, omgb ftl!
by thettrix December 06, 2011
 
2.
An acronym for Oh my god,Becky!
Taken from the song "Baby Got Back"
An expression of suprise.A way to start any sentence. Usually only used by us non-white ppl to make fun of stuck up prepsand valleygirls.
OMGB!You are totally not serious you can not be moving to Oakland!You'll be killed.
by mayazine August 23, 2007
 
3.
Oh My Gosh Becky!
(look at her butt it is so big... its like out there, she must be one of those rap guys, girlfriends)!
by Jewels May 25, 2004
 
4.
See pronunciation. An exclamation of surprise, usually used by Australian Lebs.
"OMGB! Check that Supra man! Shit!"
by somerandom August 16, 2003
 
5.
Its like omg (oh my god/gosh) except its omgb for Oh My Gummy Bears!

It was invented by a girl named Miranda in PA
omgb are you serious???
by Mandy¢¾¢¾¢¾ March 15, 2008