Try a few mild practical jokes on the subject.

There are a few rude jokes, very mild by today's standards.

It was something of a mild joke among them all that Karen never seemed to have a boyfriend.

Hearst made one of his rare mild jokes about himself.

"Open until dark," say many signs, a mild Swedish joke.

Better the mild academic joke than the jollities of the saloon bar.

The article title and summary are actually pretty mild jokes on the tone of this whole game.

But he seemed relaxed today, telling a few mild jokes and smiling at obviously anticipated questions.

He smiled, but the smile faded quickly when the mild joke failed to generate so much as the slightest reaction.

In course of time Tommy essayed a mild joke.