The kids had a field day playing in the park all afternoon.
field day
idiomA great time or a great deal to do; a period of bustling activity.
Origin
disputed originSome postulate the idiomatic usage is derived from the "parade day" military use. A parade is much easier than the soldiers’ usual drilling and intense exercise.
The local journalists had a field day when they discovered the mayor was hiding secret bank accounts.
Given the abundance of unverified rumors circulating online, the gossip columnists had a field day dissecting every detail of the celebrity's sudden departure.
- 01
a cold day in July
The time of occurrence of an event that will never happen.
- 02
a day late and a dollar short
Too late and too feeble to achieve the desired effect.
- 03
a year and a day
A long time.
- 04
as the day is long
Unceasingly; very; thoroughly; to a very high degree.
- 05
bad hair day
A day when things seem to be unmanageable or go wrong.
- 06
banyan day
In British naval tradition, a day of the week when galley kitchens served no meat on board ship.
- 07
black day
A day of great disaster, misfortune or unhappiness.
- 08
call it a day
To cease an activity.