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When you have diarrhea but it's not completely runny. It comes out as several small pieces of shit really quickly that all hit the water like a meteor shower in the sky.
Guy 1: "Man, there was a porcelain meteor shower last night after I ate all that Mexican food."

Guy 2: "WTF dude TMI!!"
by Tex-Mex Shawn C. September 20, 2010