1. become upset; express extreme anger

1. She’ll have a fit if she finds out you broke her watch.

2. My mother threw a fit when she saw the mess we made.

3. Don't have a fit if it doesn't turn out as you want.

4. If I so much as moved a chair, Mom would throw a fit.

5. Oh, my God. Bob's gonna have a fit.

6. Jane would have a fit if she knew you were accompanying me to this party.