scrotology
n.— «He takes a dim view of the film’s “scatology and scrotology”-based humor, saying that it’s not that Apatow’s characters “have to talk dirty; it’s their only lexicon.”» —“Peter Bart: Variety’s closet film critic” by Patrick Goldstein Los Angeles Times: The Big Picture July 23, 2009. (source: Double-Tongued Dictionary)
Further reading
Quiz Guy John Chaneski was inspired by a version of film in which a filmmaker went to the trouble to take a clip of every word used in the movie The Wizard of Oz, arranging them in alphabetical order, all the way to the Tin Man’s saying zipper...