Why couldn't the pig tell a joke?Because he was a bore

The Joke is a place where the thoughts that society suppresses or forbids can be expressed.
Why don’t eggs tell jokes?For fear of cracking each other up
The Joke is a veritable fictional bullet firing a constant barrage at a repressive system and its leadership.
What types of jokes do farmers make?Corn-y ones
The Joke is a means of imposing cultural morality in that they enforce the rules of society by ridiculing those members of society who challenge those rules.
The Joke is a compromise formation... that is, most articulate repressed sexual and/or aggressive impulses, but they do so in a disguised form which is socially acceptable.
The Joke is a distortion whereby the distortion is reversible and the original thought completely recoverable..
The Joke is a two-dimensional expression consisting of a thought and a technique (which turns a thought into a joke). On the one hand, if the technique is undone, the joke disappears.
The Joke is a pointer to areas of structural ambiguity in society itself... furthermore the jokes subject matter can be a revealing guide to past tensions and anxieties.