a person who is addicted to facebook. they check their facebook as often as they check their email. they are on facebook often over large intervals of time, especially when they should be doing more important things.
Man, I'm really behind in all of my classes because I've been on facebook, I tried to stop but I have to see who's poked me.

Gosh you're such a facebookfiend.
by ate kat May 15, 2006
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