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1 definition by PassionSmile

A person on social networking sites like facebook, myspace, etc. who will add everyone and everything they see.

A typical Facebook whore has thousands of "friends" they do not personally know.
John: "Wow, Rick has 4677 friends, I didn't know he was so popular!"

Cassie: "He's such a Facebook whore!"
by PassionSmile December 22, 2009