quick tempered
/kwɪk ˈtɛmpərd/
adjective
- Becoming angry very easily; having a short temper.
- She tried not to be quick-tempered, so she took a deep breath before responding.
- A quick-tempered driver honked and yelled at the car that cut him off.
- My grandfather was quick-tempered, but he always apologized after he calmed down.