Deriving from formerly known 'krys bits', small pieces or "bits" of feces in the anal area of a female. When present with asshole hair or 'scragglers', dingle-berries are of high possibility.
Guy 1: "Dude you were dating that chickfor forever!"
Guy 2: "No man, shes hot in all, but i had to let her loose once i caught sight of her nasty shit bits."