Free Dictionary definition of the idiom To "have a ball" is to "enjoy oneself greatly." The example: "We had a ball at the party and didn't come home until 2 AM."
Well, I don't usually stay out, or even stay up THAT late. But you might find me some Tuesday night around 10:30 pm, US Eastern Time, having a ball reading what BODACIOUS things you have submitted to ABC Wednesday.
So have a BALL visiting your fellow contributors. Not only will you have a BLAST; you might even learn something from someone halfway around the BIG BALL we call Earth.
Oddly, the couple songs I like with the phrase "have a ball" are a bit melancholy.
One is Come Dancing by the Kinks [LISTEN], from the early 1980s:
Come on sister, have yourself a ball.
Don't be afraid to come dancing,
It's only natural.
The other is Is That All There Is? by Peggy Lee [LISTEN], from the late 1960s
Is that all there is?
If that's all there is, my friends, then let's keep dancing.
Let's break out the booze and have a ball,
If that's all there is.