hothead
🇺🇸
/ˈhɑːthed/
🇬🇧
/ˈhɒthed/
A person who gets angry or excited too quickly and without thinking.
When the hothead started yelling, everyone in the room got quiet.
その短気な人が叫び始めたので、部屋の中の全員が静かになりました。