Onb

Is short for “On Bro”

Onb these hoes green asf

by darriousthecloutgod April 26, 2020

Onb

On blood

I'll smoke dem niggas onb

by Curlyheadricoo July 30, 2019

Onb

On boob
Instead of saying ong and using the lords name in vain instead say onb

“Yo I just broke my leg bro” fr? “Onb”

by Onb May 5, 2022

Onb

Similar to on god. On buddha

Onb i just pulled a baddie

by wowicjcnwl June 24, 2022

Onb

Outta nowhere boner.

It describes when a male erection happens randomly outta nowhere.

Alex: dude what’s that??
Costa: it’s an ONB, stands for outta nowhere boner. It’s normal.

by Vboclaramente February 23, 2023

Onb

We all know this means on Buddha 🤨🤨

“I just got 200 dollars” “ onb???”

by Lukaiss89 June 1, 2022

Onb

On boob

“You being fr” yea onb

by Onb May 5, 2022