Transgressive fiction is a genre of literature that focuses on characters who feel confined by the norms and expectations of society and who break free of those confines in unusual or illicit ways. Because they are rebelling against the basic norms of society, protagonists of transgressive fiction may seem mentally ill, anti-social, or nihilistic. The genre deals extensively with taboo subject matters such as drugs, sexual activity, violence, incest, pedophilia, and crime. The genre of "transgressive fiction" was defined by Los Angeles Times literary critic Michael Silverblatt.Michel Foucault's 1963 essay "A Preface to Transgression" also provides an important methodological origin for the concept of transgression in literature. The essay uses Story of the Eye by Georges Bataille as an example of transgressive fiction. Rene Chun, a journalist for The New York Times, described transgressive fiction thus:
The genre has been the subject of controversy, and many forerunners of transgressive fiction, including William S. Burroughs and Hubert Selby Jr., have been the subjects of obscenity trials.
Transgressive fiction shares similarities with splatterpunk, noir, and erotic fiction in its willingness to portray forbidden behaviors and shock readers. But it differs in that protagonists often pursue means to better themselves and their surroundings—albeit unusual and extreme ones. Much transgressive fiction deals with searches for self-identity, inner peace, or personal freedom. Unbound by usual restrictions of taste and literary convention, its proponents claim that transgressive fiction is capable of incisive social commentary.