Joke

The following joke circulates for quite some time, with many different versions for <President> and <Other Country>. Its logo is an apple in the shape of a woman's butt. A related subcategory is lawyer jokes plays on the commonly-held stereotypes about lawyers. Apple Bottoms is a clothing line for women designed by rapper/artist Nelly. The second one makes fun of political cliches, mottos, catch phrases or simply blunders of politicians. Some call this "junk in the trunk", "ghetto booty", and "bubble butt". The first one makes fun of a negative attitude to political opponents or to politicians in general. Apple bottom is also reference for a women with a large, rounded behind.

There are two large categories of this type of jokes. Political jokes tell about politicians and heads of states. The target of the traded insults is most often the opponents' mothers, but can involve other family members as well. Main article: The dozens. Jokes of this kind originate in the dozens, an African-American custom with West African roots in which two competitors -- usually males -- go head to head in a competition of comedic, often ribald, trash-talk.

Jokes in a certain category superficially look like math, but their essence is more akin to chemical composition. A series of them parodies mathematical/logical chains of reason. Many of them are in-jokes, but may also be understandable by laymen. There are numerous jokes related to mathematics.

Main article: Mathematical joke. Many jokes fit into more than one category. Jokes often depend for humour on the unexpected, the mildly taboo (which can include the distasteful or socially improper), or the playing on stereotypes and other cultural myths. One of the most complete and informative books on different types of jokes and how to tell them is Isaac Asimov's Treasury of Humor, which encompasses several broad categories of humor, and gives useful tips on how to tell them, who to tell them to, and ways to change the joke to fit your audience.

Laughter, the intended human reaction to jokes, is healthful in moderation, uses the stomach muscles, and releases endorphins, natural happiness-inducing chemicals, into the bloodstream. Why we laugh has been the subject of serious academic study, examples being:. . Most jokes contain two components: joke setup (for example, "A man walks into a bar...") and a punchline, which, when juxtaposed with the setup, provides the necessary irony to elicit laughter from the audience.

putting a custard pie in somebody's face). A practical joke differs in that the humour is not verbal, but mainly visual (e.g. A joke is a short story or short series of words spoken or communicated with the intent of being laughed at or found humorous by the listener or reader. Yo mama's glasses are so thick, she can see the future.

Yo mama so fat, when her pager goes off, people think she's backing up. Yo mama so fat when she gets on the scale it says to be continued. Yo mama so dark that she can leave fingerprints on charcoal. Yo mama's so dumb when your dad said it's chilly outside, she ran out with a spoon.

Logic

Sigmund Freud's "Jokes and Their Relationship to the Unconscious".