field day

 

noun

  • 1 [in singular] an opportunity for action or success, especially at the expense of others: the newspapers had a field day as the case came to court
  • 2 Military a review or an exercise, especially in manoeuvring.
  • 3North American a day devoted to athletics or other sporting events and contests.
  • 4Australian/NZ a day set aside for the display of agricultural machinery.