Top Definition
The act of updating your social network status or otherwise interacting with a social networking site while in the bathroom. Probably while in the stall, taking a deuce. Related actions could be Twitter on the Shitter or the dreaded Skype at the Pipe.

The appropriate penalty for getting caught deucebooking is two punches in the arm, no flinching.
Person 1: Where's so-and-so?

Person 2: I don't know. I think I just saw him walk into the bathroom.

Person 3: Dude, that's nasty. I just got a Facebook update from him. He's totally Deucebooking.
by chuck515 August 24, 2010
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