Hoe

A Hoe is someone (no matter of their gender/sex) who sleeps/makes out/does anything intimate with someone in a relationship as well as the person in the relationship sleeping or making out or doing anything intimate with someone else

Kim: Oh my gosh Jessica and Josef a re a bunch of hoes
Oliver: why what happened ?
Kim: So like Jessica is dating kylie but slept with Josef who is single.
Oliver: OMG you are right they're both hoes