Définition et Signification de "[be] all fun and games"

What is the origin of the idiom "all fun and games" and when to use it?

The idiom "all fun and games" is used to describe a situation that is enjoyable and entertaining. The origin of this idiom is not explicitly documented. However, the phrase is commonly used to convey the idea that an activity or situation is lighthearted and amusing. It is often used to emphasize that while something may seem enjoyable on the surface, there may be underlying challenges or difficulties involved.