| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
1. : urgently desirous of shooting usually to the point of overlooking or ignoring other factors involved : irresponsible in the use of firearms
trigger-happy hunters determined to bag their limit
especially : inclined to shoot before clearly identifying the target
restraining trigger-happy sentries
2. : inclined to be irresponsible in matters that might lead to or precipitate war
nations are not so trigger-happy as they once were — New Republic
broadly : aggressively belligerent in attitude
trigger-happy critics