harmful to juveniles

that quality of any description or representation, in whatever form, of nudity, sexual conduct, sexual excitement, or sadomasochistic abuse, when it (a) predominately appeals to the prurient, shameful or morbid interest of juveniles, (b) is patently offensive to prevailing standards in the adult community as a whole with respect to what is suitable material for juveniles, and (c) is, when taken as a whole, lacking in serious literary, artistic, political

Defined by the Supreme Court in Virginia v. American Booksellers Association Inc, 484 U.S. 383 (1988).