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When you fart and it puts a 'paintbrush flick' mark on your boxers/thong. Alternativly you could do it in the shower up against the tiles for cheap thrills and the funniest noise in the world, for desired effects spread cheeks.
I was in the shower, and i had the urge, so i spread my cheeks and poo spattered all over the tiles
by Josh January 31, 2005