trigger-happy

someone who is trigger-happy uses their gun too often and without thinking carefully The book's main character is a trigger-happy New York detective.

mod. eager to fire a gun; eager to shoot someone or something. Rocko is sort of trigger-happy. Watch out.

Name	Pronounced	Usage
Evvie	EE-vee, EV-ee	English
Kendall	KEN-dahl	English
Kolman	KAWL-mahn	German (Rare)
Filibert	FEE-lee-bert (German)	German, Dutch, Ancient Germanic
RenÉE	rə-NE (French)	French, Dutch
Alta	['æltə]