trigger–happy

adjective trig·ger–hap·py \-ˌha-pē\

: eager to fire a gun

Full Definition of TRIGGER-HAPPY

: irresponsible in the use of firearms; especially : inclined to shoot before clearly identifying the target

a : inclined to be irresponsible in matters that might precipitate war

b : aggressively belligerent in attitude

See trigger–happy defined for English-language learners

1943

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