Anti-humor
Anti-humor or anti-comedy is a type of alternative humor that is based on the surprise factor of absence of an expected joke or of a punch line in a narration that is set up as a joke, which in turn can have a humorous effect to some. This kind of anticlimax is similar to that of the shaggy dog story. In fact, some researchers see the "shaggy dog story" as a type of anti-joke. Anti-humor is described as a form of irony or reversal of expectations that may provoke an emotion opposite to humor, such as fear, pain, embarrassment, disgust, awkwardness, or discomfort.
Examples
The yarn, also called a shaggy dog story, is a type of anti-humor that involves telling an extremely long joke with an intricate back story and surreal or repetitive plotline, before ending the story with either a weak spoonerism, or abruptly stopping with no real punchline at all, or no [soap radio].The obvious punchline involves narratives that are structured like a traditional joke including a set-up and punchline, but whose punchline is the most obvious to the narrative. Some examples of this would be the Why did the chicken [cross the road?] and the "What did the farmer say/do" set of jokes, which include various situations where the joke teller asks the listener what the farmer did in any given situation: