Skip to main content
Or best offer

Use in forum classfieds sections.
The chastidy belt is $30 obo.
obo by eulerfx April 3, 2004
OBO means 'Or best offer' mainly used in classifieds, or websites such as craigslist.
craigslist posting: 'Selling Laptop for $400 OBO'
OBO by melonmonkey889 May 4, 2011
Under observation but the police
I can’t trap right now , the feds have got me under obo
Obo by Jamba August 14, 2019
The word use to describe a cute idiot. Someone you love so much but your way of flirting is by making fun of him. Obo describes someone who you can’t live without. Someone whose your best friend and you want them in your life forever and ever. Their apart of your everyday life and when you guys don’t talk your day feels incomplete. I Love you.
Gf: would you love me if I was a worm. Bf: You are such an obo
Obo by Random_ person1 January 16, 2022
Adj. An abbreviation of the classifieds/sales term "Or best offer". Used in the context of describing a man or woman who will take whatever he/she can get in the way of romantic companionship.
Melissa? She's a drunk with a lot of mileage on her. She's truly OBO.

Adam has slept with all of his friends' ex-girlfriends and now he's been hanging around that creepy, snaggletoothed, bettie page impersonator's house. Isn't she almost 50? Officially OBO.
OBO by VRB December 14, 2008
On Behalf Of.
Representing o=communication on behalf of another 3rd party orginasition or body.
In written conmmunication: i.e. formal letter etc.

Signed: James Whistle. OBO Musical supplies Inc
OBO by Jim Le Gros September 16, 2005