Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. The existence of horny milfs such content in commercially available pornography is widely considered an urban legend. Many transgender people regard the term shemale as offensive, arguing that it mocks or shows a lack of respect towards the gender identity and gender expression of transgender individuals; in this view, the term emphasizes the biological sex of a person and neglects their gender. Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the lesbian hentai presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine. Biological anthropologist Helen B. There are various subcultures under this umbrella term and distinct difference between these subcultures. Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Solo performances in gay pornography have been described in 1985 as either or both active hot gay sex and/or passive , whereas female solo performances are said to be exclusively passive . A scene where many women have sex with one man is referred to as a reverse gang-bang. Yuri : Featuring two grown adult women in a homosexual/lesbian relationship. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree of sexual excitement, and the time since his last ejaculation. If dramatic skills are not involved, a performer in a porn film may also be called a model. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. Barebacking usually refers to a conscious and deliberate choice to forgo condoms. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination.