Hothead

Noun

 * 1)  One who angers easily or goes in search of arguments or fights.
 * The club was full of eager young hotheads who never seemed to be able to agree on anything.

Thesaurus
Mafioso, Tartar, Young Turk, bear, beast, beldam, berserk, berserker, bomber, brute, crank, crosspatch, demon, devil, dragon, feist, fiend, fire-eater, firebrand, fury, goon, gorilla, grizzly bear, grouch, gunsel, hardnose, hell-raiser, hellcat, hellhound, hellion, holy terror, hood, hoodlum, hotspur, incendiary, killer, mad dog, madcap, monster, mugger, rapist, revolutionary, savage, she-wolf, sorehead, spitfire, termagant, terror, terrorist, tiger, tigress, tough, tough guy, ugly customer, violent, virago, vixen, wild beast, witch, wolf

Etymology
From.

Translations

 * Dutch: heethoofd,
 * German:


 * Norwegian: hissigpropp