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1.
when you get on Facebook so early in the morning and change your status (etc) and don't remember it later on in the day
Person 1: Wait, I don't remember putting this status up here...

Person 2: Were you sleep-facebooking again??
by crazydrummajor April 01, 2009
11 2
 
2.
Facebooking while you are partially asleep.
Dude i was sleepfacebooking early in the morning... god knows wat i typed.... i am sure it was all barf!!
by whirlwind84 May 05, 2010
3 0
 
3.
When your Facebook status message says "is sleeping."
If Amy's Facebook status says, "Amy is sleeping," Amy must have been sleep-facebooking.
by CitizenJ September 21, 2009
4 9