"Cooking in the Stew" is a saying used when someone is acting foolish, boisterous, or if they're just acting out for no good reason.
Person 1: Why is (insert name here) acting so off today?
Person 2: I'm not sure, I think they're just cooking in the stew.
Person 2: I'm not sure, I think they're just cooking in the stew.
by Lee Gon August 1, 2020