OB

OB is short for "Ownage Bitch!" it usually has a hand motion accompanied with it. An "O" is formed with the middle finger and thumb, then, the index finger is rotated up and down so the "O" becomes "B", then back to "O," and so forth.

"i owned you OBOB"
"we pwned that shit yo OBOB"
"you got OB'ed"
"what's that on your shirt? (looks down, sees nothing) OBOBOB"

by 80dstoner January 16, 2008

OB

A person's original bush from childhood.

I hooked up with this girl last night that definitely had an OB.

by originalbush December 2, 2010

OB

Ob is short for 'OBviously'.

Person A: "You want to go get some of that pu-tang?"
You: "OB!"

by J master flex December 28, 2005

OB

1) Obese bitch (n)

Came from school

That girl is an OB.
OB! (yelled at someone)

by 781201haj March 16, 2005

ob

"owned by" you add the initial of the person after

jack just dunked on you. OBJ

by dianab May 11, 2006

ob

From Oak Bluffs, a town on Marthas Vinyard. Ob is where all the frat boys and their trasher girlfriends go for the summer to drink and generaly act stupidly. Basicaly, the vacation spot for all the people who want to go to the vinyard, but really only want to get drunk and hook up.

"Did you see that trasher blasting the rap music from his fathers suv?" "yeah,totaly ob."

by clark t.g. May 30, 2005

ob

short for 'oh bullshit'
comes from nearly saying 'oh bullshit' to an authoritive figure.

"Steven, you will get detention for drawing on the blackboard."
"ob-"

by Steven Chan June 15, 2008