Top Definition
obo
Or best offer

Use in forum classfieds sections.
The chastidy belt is $30 obo.
by eulerfx April 03, 2004

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OBO
OBO means 'Or best offer' mainly used in classifieds, or websites such as craigslist.
craigslist posting: 'Selling Laptop for $400 OBO'
by melonmonkey889 April 14, 2011

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Short form for "or best offer." Usually used in adds to let people know that the price of whatever they are selling is open to negotiation, and that they will accept the best offer if the asking price is not met.
I am selling a TV for $50 O.B.O.
by buy/sell/trademe June 07, 2010

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OBO
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.
by VRB February 28, 2007

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OBO
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
by Jim Le Gros August 19, 2005

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Obo
A hobo with one leg and or one arm. -
The obo sat on the train car waiting for it to slowly chug away.
by Leanne Biv February 17, 2008

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OBO
Acronym meaning "Official Blow Off". Defined as the formal notification given to someone when they are truly not interested and the fade away has finally kicked in.
After numerous phonecalls that Jen made to Rick were unanswered, she finally realized that she had been given the OBO.
by Snocap September 20, 2006

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The Urban Dictionary T-Shirt

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