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1.
Toilet
over text...

D: Call me when you can... J: Ok, I'll ring you up after I get off the facebook chair.
by Jashy December 06, 2010
 
2.
Also known as, the toilet. So named as its the most common place smartphone users update there Facebook page
Is John on the Facebook Chair?

Bob: I have to go to the toilet.

Hubert: Dont you mean the Facebook Chair?
by BettyBlue March 11, 2011