look up any word, like blumpkin:
 
3.
outlaw biker gang
god damn o.b.g. in town again.
by wink@dm2k May 04, 2011
 
1.
OBG
Original Baby Gangstar
2 years pass in O.B.G.
by VAKI5 August 17, 2003
 
2.
Oldie But Goodie. A term to describe a middle aged woman over 50, that is extremely attractive, well built, dresses sexy and who has obviously taken great care of herself.
For an old babe, she is so hot, I'd definitely love to sink my link into that O.B.G.
by TIMJB1 October 16, 2006
 
4.
OBG
'Oh By George!'

An exclamation, not dissimilar to 'OMG!'.
'OBG! She's got so fat!'
by Uberton July 27, 2009
 
5.
OBG
Obnoxious Brown Girl/Guy.
1.Wearing baby phat is soooo OBG.
by Britee June 16, 2008
 
6.
OBG
Oldie But Goodie, a term used to describe an ageing slapper who's still worth a donkey punch.
Matt: "Look at her, dirty old slag".
Mart: "Yeah, I'd still giver her one though, she's an OBG".
by Martin July 19, 2004