sippin on sus

This is when someone is falling into getting suspicious over things that are not real and are meant to stir up trouble - getting to gossiping.

Carlie: "You know I heard that James is really jelly over that Lila has a new coworker who is a stud."
Jayne: "You know I heard that Lila is true to James and I know that you're just sippin on sus cause you just try to stir it up!"