This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A quick-tempered or impetuous person.

n. One who angers easily or goes in search of arguments or fights.

n. One who reacts quickly and without thinking carefully first

"Now, the ex-hothead is a quiet leader in the dressing room and a controlled — though no less intense — competitor come game time."

grouch    grump    crosspatch    churl    crank   

madbrain    hotspur   

back-test    moa    other-world    deflexion    hypersurface