Top Definition
When your colon is completely engorged with poo and when you take a dump, it coils up like a snake in the toilet waiting to strike.
While I was taking a dump, I looked down and a colon snake was staring back at me while hissing. I flushed it quickly so that it wouldn't bite my balls.
by FlamelordX November 30, 2009
5 Words related to Colon snake

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