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1 definition by TheRealAndOnlyChiffonade

 
1.
The posting of gibberish to Facebook or in an e-mail because your phone is in your pocket and you somehow clicked POST or SEND.

A typical butt post looks like this: "NNNBJJJGHHHTUUYJJHMMBJJGUUTKMMBMMBLLKMNNVHHFGJJGNMB"
Karen checked in at an airport then butt posted fifteen lines of random characters to her status update.
by TheRealAndOnlyChiffonade January 15, 2011