1. a fit of anger or hysteria (usually in the phrase 'hissy fit')
Usage: informal; often used in the phrase 'throw a hissy fit'

1. characterized by or prone to hissy fits; easily angered or upset
Usage: informal

Examples

• She threw a hissy fit when she found out the concert was cancelled.
• Don't have a hissy fit over a little spilled milk.
• He's been in a hissy mood all week.
• The toddler had a hissy fit in the grocery store.
• My sister threw a hissy when she saw the dent in her car.
• He tends to get hissy about minor inconveniences.