when you check into a cheap motel, always check the bed sheets for kobe stains or else you're going to have to call house keeping to change the sheets
(noun)  blood, sweat, or semen stains left on hotel bed sheets or sofas
"when you check into a cheap motel, always check the bed sheets for kobe stains or else you're going to have to call house keeping to change the sheets" What is the definition of "kobe stains"?