Anything that is funny, witty, or amusing, or that has the capacity to make people laugh. Can be categorized in polarity as having the merits or demerits of "good humor" or "bad humor" Most forms of humor can be classified into the following taxonomies of comedy: slap-stick, misunderstanding/farce, innuendo, pun/word-play, mimicry, parody/satire, irony/sarcasm, exaggeration, analogy/comic metaphor, inappropriate response, comic repitition, reversal of reality, and black humor. Humor is derivative of the Latin word "umere" which means moist. (Oxford Dictionary of Psychological Terminology - "Humour)
pun/word-play: "Americans have little to no understand of comedy therefore the "u" is exempt in their humor"