Facebook fuck buddy. Finding a friend on facebook to hook up with no strings attached
hey girl, wanna be my fb fb?
by covert21 February 1, 2011
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Fuck Buddy. A person who are having casual sex with on a regular basis, but are not involved in a romantic relationship with.
We aren't a couple, she's just my fb.
by Asher April 13, 2005
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Fb is an acronym used on social media sites such as instagram meaning " Follow Back".
*follows Kim on ig and comments on a pic*
"Fb?"
by Xmariah6 February 5, 2015
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Twitter hashtag for posting your tweets to facebook. An app on facebook, selective tweets, will post every tweet with the hashtag "#fb" to your facebook wall as well as twitter. Any tweet you post without "#fb" will not be posted to your facebook wall, only to twitter.
I want this tweet posted to twitter and facebook. #fb

I want this tweet posted only on twitter.
by twittered January 2, 2012
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Jake is such an FB.
by Dustyturtle January 10, 2015
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1: Facebook
2: Fucking Bitch
3: Fuck Buddy
4: Finger Bang
1: Hey did you see Alex's profile on fb??
2: Who does that fb think she is?
3: That chick over there is my fb.
4: My husband fb me before we went to sleep.
by MehRoxz July 15, 2011
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Jojo has just taken a picture of Maddie

Maddie looks at the photo:

Maddie: OMG! FB! FB!
Jojo: Totally, i'll add it!
by La-Who? May 19, 2007
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