“No, it’s not meta at all!” says the meta-joke-explainer. “But do you want to hear a self-referential joke?”

“Sure,” says the other man.

“But before I do, I want to make one point very clear: this joke is definitely not meta.”

“Oh, okay... is the entire joke about this point?"

“Yes!” says the meta-joke-explainer with a big smile.

The other man looks at the meta-joke-explainer with horror and disgust. "Are you completely insane, or do you just like to play mind games?" says the other man.

"Both!" says the meta-joke-explainer, laughing. "I'm an insane mind-gamer, and I'm proud of it!"