Anus
A fierce resemblance to a moist, yet crinkly raisin. Often referred to as the "devils" raisin due to the early 1970s promiscuity of having butt sex. Or "anal" or "gay butt sex" or just regular butt sex with a girl
Guy1: hey man cover your ass... I can see your "devils raisin"
Guy2: thanks man! *covers self