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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 04, 2015
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Apr 2 Word of the Day
Music so good it could elicit sexual arousal.
The new We Came As Romans albums is chock full of bonerjams.
by lpvitus October 28, 2009
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2
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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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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A common acronym for

1. "fucking bitch"; usually used as a curse/exclamation. Sometimes used as a hashtag by users on Twitter, www.twitter.com

2. Social networking site Facebook, www.facebook.com
Rob: "Ugh, it's raining..yet again. #fb"
Ted: "Stubbed my toe on the corner of my desk >:( #fb"

Rob: "Hey man, are you on fb? You should add me."
Ted: "Whoa, hey, did you see Rob's profile pic on fb?"
by aouttr May 05, 2010
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