trigger-happy

Definitions of trigger-happy
  1. adjective
    irresponsible in the use of firearms
    Synonyms:
    irresponsible
    showing lack of care for consequences
  2. adjective
    marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
    synonyms: fierce, tearing, vehement, violent
    intense
    possessing or displaying a distinctive feature to a heightened degree
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