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(Noun) The act or habit of liking your own Facebook status.
Facebarcissism is starting to pop up all over my news feed, it's so annoying to see it's affecting several of my friends.

Also: Facebarcissist
Johnny is such a facebarcissist, there isn't a status that he writes that he won't like.
by FriendAndy.com June 02, 2012