OB

A girl that for some unknown reason is picked on by a guy friend of the boyfriend of the said 'OB'. The girl is made fun of by said friend infront of the girls face and behind her back. A true 'OB' is called late in the night by the friend asking the 'OB' to have sex with the friend. The boyfriend is kept completely out of the loop.

OB stands for
1. a person who is extremely OBese
2. a person who has horrible BO ( OB backwards)
3. a person who is an Ornery Bitch
4. one you make fun of behind Ones Back

1.one is an OB because she smells after not taking showers during spring break

by MABBAM August 19, 2008

OB

Short for Overweight Bastard(or Bitch). Pronounced like Obi. May be pluralized.

"Damn OB's are driving up the price of healthcare", or "That OB keeps staring at me while I'm eating and it's making me uncomfortable."

by Dammitall July 10, 2009

Ob

Something a hungry llamaworm will say.

llamaworm: -sees bags of meat- ob
you: -beats with bag of meat-

by Llamaworm Yourmaster June 21, 2011

Ob

onion booty; onion booty squad

Yo, Nigga we in da OB squad. We got dem boyz ballin'.

by obx21234569 October 29, 2014

OB

Original Bumper - used by university students to describe original bumper pool players on campus

1) That guy is incredible at bumper pool - is he an OB?

by BumpMasterT April 20, 2015

OB

Obnoxious Bitch!

Gabe, quit being such an OB!

by WhizMaster May 7, 2016

OB

Our Bae! A male/female who is down for the team, has been with one or more of the clique!

Say bruh? Who? That’s our OB bruh!! You ain’t know

by LostnthesauceTrade January 3, 2018