a girl or guy who sell themselves or participates in slutty activities on Facebook.
Olivia just asked Milton to have sex with her by posting "COME DO ME!" on his Wall.

Dude, what a facehooker.
by Spiffy Pants July 26, 2009
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Someone who stays up late at night looking for people to "friend" on Facebook.
It was a busy night for Betty, a Facehooker in her prime, getting another twenty "friends" under her belt.
by erinad July 17, 2009
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a facebook member who uses facebook addictively, literally hooked to it or a member who uses it to solely get laid.
Mike: "Lets get on facebook and find you a date"
Eddie: "no way, I dont want to turn into a facehooker"
Mike: "Its not like you aren't already, your hooked to it almost 24/4"
by YESmina October 29, 2008
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Someone who is not on Facebook, who uses your Facebook to check on people.
"Will you check on Facebook to see if this guy is on there?".

"Gosh, you such a Facehooker".
by beanedog June 17, 2011
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adv. to be hooked on/ upsessed with facebook
"Jerry needs to get out more, he's facehooked."
by dougie3 June 9, 2007
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One who gets around on the social networking site, Facebook. Typically, younger teenage sisters, flirting on multiple guys facebooks.

(A Facebook Slut)
" 'Cmon, Boosh is on in 2 minutes"

" Just wait! I have to finish facebooking Michael and Chad!"

" You Facehooker"
by Jeebs99 May 3, 2009
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A hooking-up session where the participants met one another via the social network facebook.
I noticed that that hot chick had "random play" in her profile, so I messaged her and arranged a facehook.
by Ryan88234 April 28, 2006
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