trigger happy

Inclined to act violently at the slightest provocation, as in They feared that the President was trigger happy and would send in troops at the drop of a hat . This expression alludes to being too eager to fire a gun. [c. 1940]

Common Names:

Name	Pronounced	Usage
Ithel	-	Welsh
JÓHanna	-	Icelandic
Phelps	[felps]
Jitender	-	Indian (Sikh)
Feliciana	fe-lee-THYAH-nah (Spanish), fe-lee-SYAH-nah (Latin American Spanish), fay-lee-CHYAH-nah (Italian)	Spanish, Italian, Late Roman
Shera	['ʃerə]