look up any word, like lemonparty:
 
1.
Posting a status update to FB from your phone without knowing it.
My wife was walking around the mall, and she was Butt Facebooking status updates.
by Jawbonz February 19, 2010
 
2.
The act of sitting on ones backside all day Facebooking
Were you Butt-facebooking all weekend? Yeah, me too!
by Annie Bear PBP May 23, 2011