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when someone signs off of Facebook intentionally in the middle of an intense chat or fight to add dramatic effect and/or show how mad they really are

like hanging up on someone during a call
Facebook Chat 1:
John: Ok, I'm sorry.
Jane: Whatever.
Jane is now offline

Facebook Chat 2:
John: Dude I apologized to Jane and she just signed off
Bob: You totally got faced up on, man.
by yourmomdotcom. March 22, 2011
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