Idiom: take a fit
To become very or unreasonably angry or upset; to have an outburst of rage, frustration, or ill temper.
My mom’s going to take a fit when she sees what happened to the car!
My mother threw a fit when she saw the mess we made.
I was so embarrassed when Danny started taking a fit in the grocery store.
Your father will throw a fit when he sees you’ve broken yet another window!
Don’t have a fit if it doesn’t turn out as you want.
We’d better clear up before Mary arrives. She’ll have a fit otherwise.