: to get a lot of pleasure and enjoyment from doing something —used especially to describe getting enjoyment from criticizing someone, making fun of someone, etc. If word of his involvement in this scandal ever leaks out, the newspapers are going to have a field day. Journalists have had a field day with this scandal.

Why do we say field day?

The origin of the term 'field day' comes from the military and refers to maneuvers that took place in a field, but by the 1800s, the phrase was used to refer to any event that happened in a field, ranging from a hunt to a dance to a picnic to a scientific expedition.

What does field day in school mean?

A field day is a fun-filled, springtime event held in many schools across the country. A field day gives kids the chance to celebrate the school year coming to an end, show some class pride and spend a day being active.