Pornography is generally classified as either softcore or hardcore pornography. Bukkake videos are a relatively prevalent niche in contemporary pornographic films. Various groups within society have considered depictions of a sexual nature immoral, labeling them pornographic, and attempting to have them suppressed under obscenity and other laws, with varying degrees of success. BDSM has become an umbrella term for certain kinds of erotic behavior between consenting adults. Pleasure for the giver during anilingus is usually based more on the principle of the act. Not all crush fetishists are that extreme! The term lesbian is also used with regard to sexual identity or sexual behavior, porn milf regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction. Pornographic gay hentai films present sexual fantasies and usually include erotically stimulating material such as nudity. Sometimes, asymmetric and often intentionally uncomfortable positions are employed to heighten the psychological impact of the bondage. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . Group sex can occur between people of all sexual orientations and genders. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, gay movies often fake. Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. One or more of the participants may engage in autoerotic sexual activity, such as masturbation, possibly without physical contact with the other participants. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. Clothed female, naked male is a genre of erotica featuring one or more nude men and one or more clothed women.