a girl or other who will add anyone on facebook but not know any one and gets gratification from her excessive catalogue of nobodies who also use facebook and may or may not have come into contact with the slut on one or more previous occasions - not necessarily classifying you as a friend.

Someone who has friends on facebook who doesn't socialize with them but merely teases you.

Fuck I hate facebook...
About 4.5 million people on facebook - for all those people who add me as friend and never talk to me - hug me - fuck me and think they are all that because they have a million fucking facebook fuckers on their friends list - you are a facebook slut
by Fresh_TJS August 22, 2009
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a facebook slut is a girl who no matter what guys profile you go on you will always see her flirting with the guy . you can tell she is a facebook slut because she will be everywhere unlike the few common girls who he might talk to . stay far away from facebook sluts , cause who wants to be with a girl that every guy has been with (:
nikki - heey tyler , you know that amber girl ? she is such a facebook slut !

tyler- why you say that ?

nikki - everytime i try and talk to a new guy , she's right there on his dick . i swear she's everywhere .
by skinnybitch09 February 13, 2011
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Someone who is deniably addicted to Facebook. Someone who accepts as many friends as they can get, most of whom they dont know. Often young girls they who they will spend hours perving at their photos, commenting on them, trying to get some kind of attention. One who prostitutes himself/herself on Facebook by using multiple methods to draw attention to themselves, such as frequent status changes, writing on several strangers walls acting as mr nice guy. Having relationship status as "its complicated" to appear available.
"james is such a facebook slut, hitting on strange girls without even knowing them, get a life!"
by sarah prute February 7, 2010
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Any simple whore on Facebook Who throws themselves at men. Obviously trashy and unrefined, she typically preys on men in relationships and pursues them vehemently. She attempts to sway them with nudes and sexual talk. She will also lie about her current relationship status because that's what they do. .

Unsophisticated.

Thirsty
Transparent motives
Mandi is a basic Facebook slut. That's the only way she can get attention.
by cawkstar June 14, 2014
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someone who has to like all pages on facebook, especially harry potter ones. Usually they like roughly 30-100+ pages a day and clog up everyones news feed. These people are usually named Alex.
...likes the page I have a fake pet yellow pigeon and 197 other pages.

Man..that Alex is a real facebook page liking slut
by superstar boss ninja August 2, 2011
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