1 definition by XJ45-2

You know, when you have to take a dump really bad and you just barely make it to the toilet; pulling your pants down and there is no sit and wait, rather there is an immediate discharge of a giant ball of feces much like the shape of the moon including detailed craters.
We heard Johny in the bathroom, there was but one grunt and an incredibly loud audible plop. Thinking it was cool he said, "Dudes, I just took a moon shit!"
by XJ45-2 January 31, 2011

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