"Black Snake Moan" (2006)(01 of12)
Open Image ModalAfter being left for dead on the side of the road, a nymphomaniac (Christina Ricci) is rescued by a fanatically religious farmer (Samuel L. Jackson) who attempts to cure her and absolve her sins by chaining her to his radiator.
"Bride of Chucky" (1998)(02 of12)
Open Image ModalDoll sex. In front of a fireplace. That's all you need to know.
"Clerks" (1994)(03 of12)
Open Image ModalAfter an elderly man dies while pleasuring himself in the convenience store's bathroom, Caitlin (Lisa Spoonhauer) inadvertently -- and rather enjoyably -- has sex with the dead body, thinking it's her boyfriend Dante (Brian O'Halloran).
"Crash" (1996)(04 of12)
Open Image ModalEasily one of the most bizarre fetishes depicted in film, David Cronenberg's "Crash" offers a subculture in which car accidents serve as instant Viagra. After a film producer (James Spader) has a head-on collision, he and his wife (Deborah Kara Unger) enter the illicit world in hopes of enhancing their sex life.
"Cruel Intentions" (1999)(05 of12)
Open Image ModalKissing step-siblings, interfamily deceit and virgin deflowerings are at the center of this lascivious drama. Ryan Phillippe and Sarah Michelle Gellar are dangerously close for step-siblings, and the prep-school vixen challenges her sort-of brother to devirginize a new student (Reese Witherspoon) in return for sexual favors.
"Hollow Man" (2000)(06 of12)
Open Image ModalAfter discovering a serum that makes him invisible, a scientist (Kevin Bacon) uses his newfound ability to rape his unsuspecting neighbor (Rhona Mitra).
"Lolita" (1962)(07 of12)
Open Image ModalThe most classic creepy-sex story, "Lolita" features 36-year-old Humbert Humbert pursuing a relationship with 14-year-old Lolita (Sue Lyon).
"Sleeping Dogs Lie" (2006)(08 of12)
Open Image ModalThis list wouldn't be complete without a touch of bestiality. "Sleeping Dogs Lie" provides a portrait of a woman whose engagement ends in disaster after she finally admits she gave her dog oral sex in college.
"Spanking the Monkey" (1994)(09 of12)
Open Image ModalDavid O. Russell's Sundance favorite makes all other strange mother-son relationship stories look tame. When a teenage boy (Jeremy Davies) is forced to stay home for the summer and take care of his ailing mother who broke her leg (Alberta Watson), the two embark on an incestuous relationship.
"The Exorcist" (1973)(10 of12)
Open Image ModalIt's not commonly thought of as a movie with strange sexcapades, but one of the most famous scenes in "The Exorcist" offers exactly that. As the possessed Regan (Linda Blair) reaches the height of her demonic takeover, she violently masturbates with a crucifix, horrifying her mother (Ellen Burstyn) and Catholics everywhere.
"The House of Yes" (1997)(11 of12)
Open Image ModalA former psychiatric patient (Parker Posey) flips when her brother (Josh Hamilton), with whom she had sexual relations as a teenager, returns home with a fiancée (Tori Spelling).
"Wild Things" (1998)(12 of12)
Open Image ModalThis erotic cult classic offers a ménage à trois that leads to a high school guidance counselor (Matt Dillon) being accused of raping two female students (Denise Richards and Neve Campbell) in a twisted plot that turns out to be about much more than graphic sex.