fb 

it is the acronym for facebook. it can be an acronym for football as well.

i just sent my boy a message on fb. WORD!!!

fb by Big Urban April 28, 2007

fb 

Short for Facebook. Most commonly used in IM chat clients, like MSN, AIM, etc.

Guy 1: Did you add her on fb yet?

Guy 2: Not yet, I will though.

fb by RenegadeSniper7 February 16, 2009

fb 

free base, a place to chill and hangout with friends without supervision

Fred: what should we do tonight?
Terrence: idk maybe someone has a fb we can go to?

fb by OkNowWhat April 2, 2020

FB 

The short hand term for Facebook the online networking website.

Maddie sees a picture jojo has just taken:

Maddie: OMG! FB! FB
Jojo: Totally, I'll add it tommorow!

FB by La-Who? June 5, 2007

FB 

Short for fucking bitch. Usually used without an accompanying sentence. Sometimes used to insult someone without them knowing. SPronounced: Eff-bee

Guy: Do you want to go to prom with me?
Girl: No, so stop asking me every day.
Guy: FB.

FB by knitman April 1, 2009

FB 

Short for Fat Bitch. Can be used in public without sounding like a complete asshole, including when the FB is still present.

Dude, that FB wouldn't stop hitting on me.

Yeah, that sucks.

FB by Ryan_H. May 17, 2008

fb 

Fb is an acronym which means "Fúcking Beautiful"

Did you see that prank on TV?

"That prank was fb..."

fb by GaGa_Crociato June 11, 2006