(verb, present tense) The act of allowing your pet to defecate in a publicly shared area and leaving without picking it up.
"Why do people think that shittering isn't a crime? It should be. Every morning I wake up and someone's dog has crapped right in my front yard."
"Shittering and... Shittering and... Smokin the reefer!"
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"