hornet

/ˈhɔːrnɪt/
noun
  1. A large, stinging insect that is a type of wasp, often with a black and yellow or white and black body.
    • We had to call an exterminator to remove the hornet colony from our attic.
    • A hornet's nest hung from the tree branch, buzzing with activity.
    • Unlike bees, a hornet can sting multiple times.
  2. A person who is easily angered or quick to attack.
    • Watch out for the boss today — he's been a real hornet since the meeting.
    • The coach was a hornet after the team lost the championship game.
    • My little brother turns into a hornet when he doesn't get his way.