The German word for "potato." Just to illustrate how much funnier this language is than English, consider that "Herr Kartoffelkopf" is German for "Mr. Potato Head." See also Fictional, German.
Have you ever tried this? It hurts. See also Animals, Disney, Fictional.
This funny person comes from a not very funny book, Truman Capote's In Cold Blood. See also Fictional.