A sick and disgusting person, usally male, who uses any type of poop
(including their own) or any other type of animal fecal material to masturbate or jerk off
themselves or other poop jerkers
"Hey, that sick bastard just took a dump, and picked up his turd, smeared it on his cock, and jerked off with it! What sick fuck!"
"Well, I guess that makes him a poop jerker!"