Refers to encouraging a woman to smoke marijuana while performing oral sex. Usually taking a toke after each sucking motion until the moment of ejaculation
Guy (talking to friends): Yeah, bro, last night with Justine was unreal. I took her back to Kingston.
Girl (talking to friends): It was pretty fun. Craig took me back to Kingston with him.
Girl: I'm going back to Kingston with him, tomorrow.
(Friend): You're going all the way to Jamaica?
Girl: No, silly! I'm gonna smoke dat kush while suckin' his cock.