Top Definition
After having wearing an article of clothing that could be either your jeans or underwear that is too close to your crotch on a sweaty day, the fabric begins to wear out, thus creating an effect of erosion
Dude, this summer had crotch/jean erosion almost every day...
by iHazNinjaSkills May 04, 2009
5 Words related to Crotch/Jean Erosion

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