OB

Onion Booty. Used to describe a phat-ass bitch with a phat ass.

Reference www.onionbooty.com

Yo Greg, 10 o'clock your time. Check out OB on that one son ... Daaamn!

by James Werdsbond December 9, 2008

OB

to faint when hearing the result of an election

I was so happy on the 4th, I almost OBed

by Tatal35 March 27, 2009

OB

An abbreviation of old bill.

The damned OB came and broke up our party.

by amoe August 17, 2004

ob

another name for the police.

the OB came in and broke up the fight between the hooligans.

by International Bad Boy October 17, 2004

ob

A shortened version of "obvious" or "obviously."

are u going on a date tonight??
Ob!

by falcon1 December 9, 2008

OB

Abbreviation of "Open Beta" referring to a software that is open for evaluation; Blackbox-testing.

When will the OB start for that new mmorpg?

by Fraggleroc January 1, 2008

ob

Short for ; Over Board
Having or dealing with taking things to far!

Man that girl's outfit actually looked good until she went ob with those bright ass socks !

by Some girl who lives in Baltimo May 18, 2010