skidmark

A poo poo stain in your undies that is usually centralized, but not restricted to, the area that makes contact with the anus. Usually a sign that means you need to use toilet paper. WARNING: should you encounter skidmarked undies, dispose of them in short.
Laura Shell left a skidmark in her undies and decided to keep them as a souvenier
by nonselfpooper June 28, 2007
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