“Are you confused?” asks the meta-joke-explainer. “What’s difficult to understand about an infinitely self-referential joke with no punchline?"
“Uh... well, I like jokes that have punchlines, I guess?" says the other man with a shrug.
"Oh come on, you don’t need a punchline! The joke is already funny!” says the meta-joke-explainer.
“I don’t find it that funny,” says the other man.