Have a ball.
Have a ball.
When someone says they're going to "have a ball," they're not talking about a literal ball. Instead, they mean they are going to enjoy themselves tremendously. The phrase suggests lively, uninhibited fun, like what you might expect at a grand dance or a festive party. It's a wonderful idiom to express anticipation for sheer joyful experiences.
We're going to have a ball at the beach today.
We're going to have a lot of fun at the beach today.
Make sure to come to the party; it's going to be a ball!
Make sure to come to the party; it's going to be a lot of fun!
They had a ball at the wedding, dancing and laughing all night long.
They had a lot of fun at the wedding, dancing and laughing all night long.