When someone on your facebook friend's list is logged on to facebook but the chat status reads as offline.
I know she's online on facebook cause she's adding new friends and liking other people's status lines. Why she gotta be ghost facebooking man?
by Caballo viejo September 14, 2011
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n. a phenomenon that has cropped up recently due to the prevalence of social networking sites including, but not limited to, Facebook. The Ghost of Facebook Past is the collection of all the remnants of your past self that show in your Facebook profile, whether it be music you've since moved on from, shows you used to like but now hate, people you used to know, anything like that.

Results from the nature of people to move in and out of interests in a fluid manner, while the information on Facebook and other sites will not change unless you alter it.
Joe: Uh, Chad, your Facebook page says you like Power Rangers.

Chad: Nah, not since junior high. It's just the Ghost of Facebook Past.
by Stan the Woz December 5, 2011
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An acquaintance or friend from a previous phase of your life with whom you are "friends" on Facebook. Without Facebook they would have drifted entirely out of your mind-space except for very occasional "remember that guy?" reminisces. But because of Facebook, they continue leaving attenuated mental impressions on you.

This term isn't meant to include old friends who you don't see often but to whom you have a deep connection. Also, Facebook ghosts can become real friends and acquaintances again through a renewed connection or contact, often through Facebook itself.
Gavroche: Who is that guy with the crazy hair who keeps popping up on your newsfeed?

Fantine: I went to High school with that kid, but I haven't talked to him in years. He's just a Facebook ghost.
by Johnny Popular November 25, 2011
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quickly logging off or appearing offline on Facebook to avoid a certain person.
john: i think Jane has been Facebook ghosting, she seems to log off every time i log on
by bic boi dan July 25, 2011
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The act of reading through Facebook... but not actually commenting/posting/liking, thereby not leaving any trace of being there.
#1; Aric's never on Facebook anymore!
#2; Na man, he's always on! He just loves Facebook Ghosting.
by jessiemh August 9, 2010
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Somebody who always appears offline on Facebook, usually so nobody will bother them in chat.
I think that Bob is a Facebook ghost. He always posts stuff but is never online.
by The Anti-Facebook Ghost February 19, 2010
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Someone who goes on Facebook and comments on a picture/video but logs off immediately after. These people do this to give the impression that they are so cool and popular that they can only spare a few seconds of their busy day to comment on a mere Facebook picture/video.
Guy 1: Hey, Tony just made a comment on my picture, and it says he wrote it "a few seconds ago", but he's not on Facebook chat.

Guy 2: Wooooow, what a Facebook Ghost.
by palabra up March 6, 2010
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