Slang is unconventional, hard-hitting, metaphorical language that is colloquial, sometimes vulgar, and always innovative—nothing registers change in cultural thought faster or more dramatically than slang. Lexicologist Stuart Berg Flexner defines slang more precisely as "the body of words and expressions frequently used by or intelligible to a rather large portion of the general American public, but not accepted as good, formal usage by the majority." Linguists Lars Andersson and Peter Trudgill, on the other hand, claim there is no good definition of slang and quote the poet Carl Sandburg: "Slang is a language that rolls up its sleeves, spits on its hands, and goes to work." Although linguists make no value judgments on levels of language, the general public seldom views slang without passion. It is seen as either a harbinger of hope and change (particularly among the young) or as a threat to what is perceived...