Top Definition
A person who constantly posts negative, angry, sad, or cries for help as their Facebook updates. They are the "Debbie Downers" of Facebook friends. These people use their emotional distress to gain attention from the "facebook parents" of the world.
John is such a negbooker I want to delete him because his posts are always so depressing!

Whats on your mind? Negbooker
-Why is life such a bitch all the time?

-The sun is shining and everyone seems so great but my life is jacked up and I really want one of you happy people to stop grinning and listen to how terrible my life has been this week!

-I hate this town!

-My girlfriend is a bitch just like every girl I date!
by MaryOnegative February 03, 2010

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