I mean the book was just a bit of fun.

So all this is just a bit of fun for you now?

No wonder she went after a bit of fun on her own!

They must just have been having a bit of fun.

You could always have a bit of fun with Bill, people said.

What seems like a little bit of fun is actually to the point.

I like to go out to have a good bit of fun.

They were going to have their bit of fun after all.

He decided to go out at once, in order to have a bit of fun.

There was a bit of fun in this for her.