Impetuous, Quick to Fly Off the Handle
This page is the CodyCross answer for the clue below from Train Travel, Group 706, Puzzle 5 (Falling Asleep).
Question is: Impetuous, Quick to Fly Off the Handle
and the answer is: HOTHEADED
Word Meaning:
HOTHEADED — Pertaining to or characteristic of a hothead or hotheadedness; (of a person) easily excited or angered.
Definitions from Wiktionary.