Self-referential humor

This form of meta-joke is a sarcastic jab at the endless refitting of joke forms (often by professional comedians) to different circumstances or characters without a significant innovation in the humor.[6]

Three people of different nationalities walk into a bar. Two of them say something smart, and the third one makes a mockery of his fellow countrymen by acting stupid.[7]

Three blokes walk into a pub. One of them is a little bit stupid, and the whole scene unfolds with a tedious inevitability.[8] —Bill Bailey

How many members of a certain demographic group does it take to perform a specified task?
A finite number: one to perform the task and the remainder to act in a manner stereotypical of the group in question.[7]

This form of meta-joke contains a familiar class of jokes as part of the joke. For example, here are a few subversions of the standard bar joke format:

A dyslexic man walks into a bra.[9]

A bar was walked into by the passive voice.[9]

A non sequitur walks into a bar. In a strong wind, even turkeys can fly.[9]

Self-referential jokes must refer to themselves rather than to larger classes of previous jokes.

What do you get when you cross a joke with a rhetorical question?[10]

Three blind mice walk into a bar, but they are unaware of their surroundings so to derive humour from it would be exploitative.[8]

— Bill Bailey

I'm a self-deprecating comedian...though I'm not very good at it.

— Stewart Francis

It is humour about humour. Marc Galanter in the introduction to his book Lowering the Bar: Lawyer Jokes and Legal Culture cites a meta-joke in a speech of Chief Justice William Rehnquist:

I've often started off with a lawyer joke, a complete caricature of a lawyer who's been nasty, greedy, and unethical. But I've stopped that practice. I gradually realized that the lawyers in the audience didn't think the jokes were funny and the non-lawyers didn't know they were jokes.[11]

Stand-up comedian Mitch Hedberg would often follow up a joke with an admission that it was poorly told, or insist to the audience that "that joke was funnier than you acted."[12]

The process of being a humorist is also the subject of meta-jokes; for example, on an episode of QI, Jimmy Carr made the comment, "When I told them I wanted to be a comedian, they laughed. Well, they're not laughing now!"— a joke previously associated with Bob Monkhouse.[13]

Fumblerules are stylistic guidelines, presented such that the phrasing of the rule itself constitutes an infraction.[14] For example, "Don't use no double negatives".

A limerick referring to the anti-humor of limericks:

The limerick packs laughs anatomical
Into space that is quite economical.
But the good ones I've seen
So seldom are clean
And the clean ones so seldom are comical.[15]

W. S. Gilbert wrote one of the definitive "anti-limericks":

There was an old man of St. Bees,
Who was stung in the arm by a wasp;
When they asked, "Does it hurt?"
He replied, "No, it doesn't,
But I thought all the while 'twas a Hornet."[16][17]

Tom Stoppard's anti-limerick from Travesties:

A performative poet of Hibernia
Rhymed himself into a hernia
He became quite adept
At this practice, except
For the occasional non-sequitur.

A limerick about limericks:

A limerick's cleverly versed,
The second line rhymes with the first;
The third one is short,
The fourth's the same sort
And the last line is often the worst.[18]

Metaparody is a form of humor or literary technique consisting "parodying the parody of the original", sometimes to the degree that the viewer is unclear as to which subtext is genuine and which subtext parodic.[19][20][21]

RAS syndrome refers to the redundant use of one or more of the words that make up an acronym or initialism with the abbreviation itself, thus in effect repeating one or more words. However, "RAS" stands for Redundant Acronym Syndrome; therefore, the full phrase yields "Redundant Acronym Syndrome syndrome" and is self-referencing in a comical manner. It also reflects an excessive use of TLAs (Three Letter Acronyms).[22][23][24]