when the cat's away the mice will play
In the absence of a controlling entity, subordinates will take advantage of circumstances.
verb
To act in a manner such that one has fun; to engage in activities expressly for the purpose of recreation or entertainment.
The children played in the park.
A youngster[…]listed some of the things his pet did not do:[…]go on vacation, play in the same way that he did with his friends, and so on.
To toy or trifle; to act with levity or thoughtlessness; to be careless.
Don't play with your food!
He's just playing with her affections.
To perform in (a sport); to participate in (a game).
He plays on three teams.
Who's playing now?
To perform in (a sport); to participate in (a game).
He plays left back for Mudchester Rovers
To perform in (a sport); to participate in (a game).
We're playing one of the top teams in the next round.
England will not be catapulted among the favourites for Euro 2012 as a result of this win, but no victory against Spain is earned easily and it is right they take great heart from their efforts as they now prepare to play Sweden at Wembley on Tuesday.
noun
Activity for amusement only, especially among the young.
Children learn through play.
She was fond of all boys' plays, and greatly preferred cricket […] to dolls […]
Similar activity in young animals, as they explore their environment and learn new skills.
This kind of play helps the young lion cubs develop their hunting skills.
The conduct, or course, of a game.
Play was very slow in the first half.
After the rain break, play resumed at 3 o'clock.
The sphere or circumstance in which a playing implement, such as a ball, is available to be played (see also in play, out of play).
In potting the yellow ball, he's knocked the green into play.
When a chess piece is captured, it is removed from play.
An individual's performance in a sport or game.
His play has improved a lot this season.
name
Dave & Buster's.
Dave and Buster’s (PLAY), the popular restaurant and entertainment chain, is getting into the betting business.