The term combines elements of the Freudian psychoanalytic fetish and the Marxist commodity fetish, and is used in the context of British, Spanish and French colonialism and imperialism and their aftereffects. In the West, masturbation in private or with a partner is generally considered a normal and healthy part of sexual enjoyment. The activity is done by itself or as a part of or prelude to other activities which many times involve sex. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. The industry generally refers to such films as adult gay twinks films, which is part of adult entertainment. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. Works in this genre may be considered adult for any number of reasons. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. Women oriented pornography is sometimes referred to as hentai porn sex positive pornography. This makes varying degrees of stimulation an integral part of oral sex for many men. A related term used porn milf in the genre is the term cougar, which implies an older woman as predator. 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. Content featuring male bisexuality has been a growing trend since the advent of internet pornography. A study of the condom usage habits of New Zealand sex workers said that they offered various safe sex alternatives to vaginal sex to clients who refused to wear a condom. The term sadomasochism is derived from the words sadism and masochism . Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings.
