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1.
Slinging human or animal faeces (poo) from an empty pringles tubes out of a moving vechile at somebody.
Ali P - Hey bro, I've been wanting to go prooping for a while should we?
Nathan - Yeh you poo in the pringles tube then
(Flings poo at passerby)
Ali P - Bro you just totatly prooped that guy bro
by ThePrince December 04, 2012
 
2.
short for pre-poop; the time before you poop where you allow your poop to build up inside of you; characterized by standing up and pacing and prairie dogging
Tom was waiting to use the bathroom, for he was waiting for his prooping stage to be complete
by poopspelledbackwards January 21, 2011