recherchez un mot, comme sparkle pony :
 
1.
Phrase uttered in response to someone's rude comment on the Facebook.com website.
(Commenting on a photo of Friend 2's)
Friend 1: "Wow, did you bang that hot chick on the right?"

Friend 2: "Dude, shut your facebook! That's my cousin Lucinda!

de cyborg360 30 mars 2009
 
2.
A term of derision toward people naive enough to be entangled in proprietary systems like Facebook, or expect you to follow them there.

(note to site editors: it has been used as such in the New York Times Magazine, common speech, on the radio, on popular teeshirts, etc.)
You expect ME to sign up with Yahoo! just so I can see your holiday photos?! Shut your facebook!
de Harmsini 16 octobre 2009