A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. Since the 1980s, many practitioners hentai videos and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important hot gay sex or almost as important as the urination. Softcore gay pornography also exists; big tit milf it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. The definition clash also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly become a genre in its own right. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. 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. Women who perform in lesbian pornography often do not consider themselves lesbian or bisexual. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. Women that take on the roles of the giantess within this fetish often find the practice to be empowering and enjoy being worshiped. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion.