Top Definition
FBO
(Facebook Official) (ef-bee-oh)
–adjective - (pertaining to an event or activity on the social networking website Facebook) intended for the notice of the public and performed or held on behalf of officials or of an organization
Oh my gosh Jeff! Did you hear that Seth and Angela are finally dating? Its FBO.
by VincenteCat November 09, 2007

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Facebook Official. When a person or people decide to become public enough about their relationship to put it on their Facebook profile.
"Dave and Lisa must be getting pretty serious, they made their relationship F.B.O."

"Looks like Harrison and Ashley are definitely broken up. Both of them are single on Facebook. It's F.B.O."
by G55 June 09, 2007

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FBO
From Behind Only. Say you're standing in line at a joint and the girl in front has a nice body from behind, but not so nice face...you'd want to tap that from behind only
Bro I'd do that chick FBO!
by astarass March 28, 2014

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FBO
The Full Body Orgasm
That yatty deserves an FBO
by Themackattackofficial September 23, 2016

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FBO
Acronym in the aviation world for FIXED BASE OPERATOR. Place on an airport where you can get your airplane fueled, worked on, or receive flight instruction.
Airlines are based out of airport terminals. All the other airplanes are based out of FBO's.
by makakilomatt October 16, 2009

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FBO
When referring to automobiles, this means "full bolt on's". Basically the engine has had bolt on modifications and possible tuning, but no major internal changes.
My buddie's FBO mustang ran 11's last night at the track. Unfortunately he hit some people in the crowd when leaving though.
by PdSnoz August 10, 2017

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FBO
Facebook Official!!!!!!!!! DUH!!!! everything now a days isn't offical untill you see it on facebook...what has this word come to? gotta love facebook (:
omg did you see that Jake isn't dating Mary anymore?
no way really?
YEAH it's FBO!!!
by ChristineJ November 24, 2010

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