irascibility
short temper
spleen
quick temper

Some say he has a quick temper, but I disagree.

He also had a reputation for quick temper and there are reports of physical violence in the home.

But as a senator, she would have greater problems than a quick temper.

The way his face tightened showed him a man of quick temper.

A tough guy with a law degree and a quick temper.

She had a quick temper and often shouted, for little reason, they recalled.

T have a quick temper sometimes, and he was wrong.

His quick temper and ambition were feared in their own family.

HE had a quick temper, and friends found it ugly.

He was rather afraid of George and her quick temper.