Noun: Some what ratty underwear, panties, Girls, bitch, wear when having their menstrual cycle, period, so they don’t spoil their good undies. Typically these panties are heavily crotch stained due to leakage of tampons and/or pads, rags,. Most likely the family dog loves to chew the crotch of these panties, crotch rot
Any of the waterproof panties for use to prevent leaks while on period(menstrual cycle), such as Remii Period Panties, and Vv SkiVvys Rochelle's panties. These can be in many colors,too.