A word usually used by an ex-girlfriend who's slightly jealous when her ex-boyfriend is now with a new
girlfriend. Also used when a girl learns her boyfriend was tempted to cheat with a flirtatious girl who is/was attracted to him.
Even though he confesses he almost cheated but didn't, the
girlfriend forgives him. She and her friends refer to
the other woman as "that slizz."
Kennedy: So
what does the slizz look like?
Regan: She's Russian. She's
supposed to be a model. You're so much better looking! She's ugly.
Kennedy: And yet, Morgan's
going out with her, and I'm here pining away for him--again.