One who prostitutes himself/herself on Facebook by using multiple methods to draw attention to themselves, such as frequent status changes, writing on several different walls, or participating in a ridiculous amount of Facebook activities in a day just to get their name in the newsfeed.
I got on Facebook today and I kept seeing Sally's name in my newsfeed...what a Facebook slut!
by natethegreat58 April 1, 2009
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a user on Facebook that friends and/or follows as many people as possible.
Oh, Yeah. She's a Facebook Slut. She friended 10 people yesterday.
by carrytheflag61 December 24, 2010
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We all know one, a girl who friends random guys and hooks up with them. This girl will also have somewhat revealing pictures that scream "LOOK AT ME!" dumb slut
Guy 1: yooo this girl wants to chill shes already sent me a nude pic!

Guy 2: Maaaan she is such a Facebook slut she inboxed me a pic of her in just panties the other fuckin day!
by Pimpmacdaddy69 January 19, 2010
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When a person on facebook sends friend invites to everyone that they see (Usually friends of friends). This act is usually performed when a person is so unpopular that they try to have a superior ammount of friends to their peers to give the illusion of popularity.
"Hey, did you get a friend invite from (name here)"
"Yeah, do you know her?"
"No, she's probably just a Facebook slut."
by hates those who deserve it October 4, 2009
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An individual who frequently adds people on Facebook whom they have never met.
"Damn... 2,000 Facebook friends? There's no way he knows that many people... What a Facebook Slut."
by What_the_hell_was_that January 11, 2013
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A person who is addicted to facebook. This person always knows their friend count, and it usually includes many people that they dont even know. Every time a facebook slut is near a computer, he or she automatically logs in and looks around the site for half an hour.
Dennis is always talking about how many friends he has on Facebook. Every time he visits me, Dennis logs on to my computer to check his Facebook. Dennis is such a Facebook Slut!
by John 26 December 1, 2005
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A person who is very promiscuous with who he or she friend requests on facebook.
She has over 2,000 friends, what a facebook slut!
by Horrace P. MT February 21, 2010
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