when you have done something to make your shit discoloured (green) with blood in it
Pete: went on a serious binge for two weeks, did a christmas poo.

Liam: did you decorate it with all gold?
by Lam-wod February 11, 2007
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A poop from South Park that will come to you on christmas eve if you eat fiber.
Mr. Hanky the christmas poop, small and brown and he comes form you.
by ......PFFFFFFFFF UwU December 11, 2019
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