Top Definition
Somebody who goes on their computer and the first thing they do is check their Facebook to see if anything is new

They do this about oh I don't know maybe 30 times a day
This is also known as CFU. A chronic Facebook User when first tries facebook feels great but now A chronic just sits all day waiting for a reply on Facebook.
Don't get me wrong facebook.com is a great website it's just I don't want to become a Chronic Facebook User
by sakiv January 08, 2011

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