This joke refers to itself. Like, it's not really a joke. It's a joke that is also a reference to itself, and that's just a joke in itself.
Why is this not a joke? Because it's not funny. No, seriously, it's just a reference to the joke that isn't funny, which is also a reference to the fact that it's not a reference to something funny, but rather a reference to a joke about itself.
Go to the infinite joke paradox if you want to get lost down a rabbit hole of absurdity
Or, if you'd like, visit something that's just plain weird
Even More Random JokeThis joke is a self-referential paradox. A paradox of a joke, about a joke that's self-referential. You get the idea.
Go back to the start: Back to the self-referential joke