The reverse of this, in which mature milfs nude women interact with clothed men, is called Clothed male, naked female . If one person is penetrated by two objects, it is generically gay fuck called double penetration . It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Many fantasies include the macrophile hentai videos shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. The naked appearance of actress Demi Moore in the advanced stage of pregnancy on the cover of Vanity Fair magazine in 1991 marked the beginning of a period which has since seen pregnancy presented by celebrities as a glamorous state of living, while also creating a market for photographers to produce images of pregnant mothers, and for fashion stylists to introduce pregnancy styling to their business. Sigmund Freud considered foot binding as a form of fetishism. Common phrases used to refer to these individuals are chicks with dicks or the derogatory term shemale, although these are generally considered pejorative among transwomen. On the other hand, the masochist enjoys being hurt, humiliated, or suffering within the consensual scenario. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. Although there may be no connection between coprophilia and sadomasochism , the limited data on the former comes from studies of the latter. Irrespective of the legal or social view of pornography, it has been used in a number of contexts.