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A turd that manifests itself at a time not normally anticipated. The host suffers from feeling of embarassment and uncomfort until the demon is released. Sometimes this comes in the form of a demon poo, which is more liquid in form.
Jim: Man, I don't feel well. I got to take a shit and I hate going in public.

Roy: You know you'll feel better when you release that demon turd.
by Rich f November 27, 2009