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

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

Faggot

Yo Ob Mad Faggot

by 34kiing August 31, 2020

Ob

A Guy who’s A Faggot

Yo i heard andres A Ob

by 34kiing August 31, 2020

ob

ob is like the blood spread on Natbotjuice's hands

damn, ob

by QuarthE November 14, 2021

OB

Short for Old Bitch

Ryan is such an ob

by Rick boy August 21, 2020

OB

Old bitches

Key: I went on this date with a girl that's older than me
James: You gotta stop dating OBs

by luhKey January 19, 2025