Rhonda Rotten Crotch Share definition Flag Nick name for a girl that does not change her underpanties daily. Unhygenic female. Mom to her daughter... "if you don't change your panties every day, you'll be a Rhonda rotten crotch". Rhonda Rotten Crotch by misschattya February 5, 2010 0 0 Get merch Get the Rhonda Rotten Crotch mug. Buy Now — $32.95 See more merch