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
Blandina	-	Ancient Roman
Hammer	['hæmə]
Jenkins	['dʒeŋkinz]
Kaitlyn	KAYT-lin	English (Modern)
Landon	LAN-dən	English
Willis	WIL-is	English