Poopism

Poopism is the rare occasion of when a person turns into a turd. This usually happens either right after or in the midst of defecation. A person can turn back into a person after the event is done. The person may be a little cramped from crouching into a turd, but they'll be fine.

Vanessa: What the fuck happened to you?
Courtney: I went through poopism, duh.
Vanessa: Oh, me too, I was a corn shit.

Courtney: I was a green turd.

poop change transform turd shit