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2.
The process of checking one's Facebook whilst on the toilet. A modern phenomenon, due to the ease of smart phones. Closely related to Pissbooking (by about ten centimetres).
After that dodgy curry, I knew I was in for a big one. So I decided to do some Shitbooking.

-"Dude, you were in there for ages, you alright?"
-"Yeah man, just did some Shitbooking"
by pubic_clabs June 13, 2013
 
1.
the act of using facebook whilst taking a shit
Wall Post: i just invented the word shitbooking, the act of using facebook whilst taking a shit, which im doing right now!!!
by carnivore94 February 04, 2010