Being at that young age, I can tell you I was arrogant and definitely hotheaded.
From the newsday.com
The Chinese-language version has long been popular among hotheaded nationalists.
From the economist.com
No doubt the president would then be criticized for being a hotheaded militant.
From the washingtonpost.com
Do we think of Lear as an arrogant red-hotheaded old king, his own Fool's fool?
From the time.com
Better computers would track hotheaded cops who racked up use-of-force complaints.
From the sfgate.com
Thompson admits he's been known to be a bit hotheaded on the mound or in the dugout.
From the stltoday.com
I can't stand hotheaded people or people who think too highly of themselves.
From the time.com
He was hotheaded, they said, and had spent nine years in prison for theft.
From the nytimes.com
Some hotheaded MPs have begun to rally their supporters by stirring up tribal tensions.
From the economist.com
More examples
Choleric: quickly aroused to anger; "a hotheaded commander"
Characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)
Intermittent explosive disorder (abbreviated IED) is a behavioral disorder characterized by extreme expressions of anger, often to the point of uncontrollable rage, that are disproportionate to the situation at hand. ...
Pertaining to or characteristic of a hothead or hotheadedness; (of a person) easily excited or angered
(Hotheads) are large balls of sparking energy that are first encountered in the game Super Mario World.
Easily angered. The hot headed basketball player yelled at the referee when he called a foul.