Anyone who is obsessed with everything pertaining to poop.

Someone who's life revolves around poop: smelling it, eating it, touching it, rubbing it on themselves, talking about it, slipping it into conversation occasionally to get a laugh but secretly salivating over the idea of it.

Compulsion for fiddling with or otherwise excitedly manipulating human excrement, usually for sexual arousal

Someone who enjoys playing with the product of the stinky hole. (i.e 2nd exit, poop chute)