The sum total of all Facebook applications, groups, and blogs.
Similar in usage to the blogosphere, Googlesphere, etc.
The faceosphere is buzzing about the new Bob Dylan Facebook app.
by Mark Mayhew September 24, 2007
Top Definition
A term being constantly spammed around the internet by a guy with a blog by the same name, who apparently is of the opinion that if he uses this term enough times in enough places, and adds his own "definition" to enough websites, someone other than him may actually use it sometime. Hey wait, his plan just worked!

Kid 1: Dude, what is happening in the faceosphere?
Kid 2: What the hell is a faceosphere?
by Hugh Jassmann October 11, 2007
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