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!
by Harmsini October 16, 2009
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!

by cyborg360 March 30, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×