a sneaky type of poo that quickly hides in the shadowy hole in the back of the toilet so that when the person who birthed that poo turns to check, it appears there is no poo whatsoever!
Belvedere Sampsonite discovered he ninjapoo in 1708 after refusing to believe that all his pushing and groaning had been for nothing.
Abe thought someone had stolen his turd but Francis said its probably a ninjapoo.
A neglectful dog owner who fails to clean up after their dog.
"Ninjapoo struck again last night, and now I have a log on my front lawn."