have a fit
1. To have a sudden illness with stiffness or jerking of the body.
Our dog had a fit yesterday.
2. {informal}
To become angry or upset.
Father will throw a fit when he sees the dent in the car.
Howard will have a fit when he learns that he lost the election.
When John decided to drop out of college, his parents had fits.
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Source: A Dictionary of American Idioms
