A scene where many women have sex with one man is referred to as a reverse gang-bang. Coprophilia , also called scatophilia or scat , is the paraphilia involving sexual arousal and pleasure from feces. In the 18th and 19th centuries, some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, these taboos generally declined. Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. The term breast fetishism is also used to refer to cultural attention to female breasts and the sexuality they represent, with debate continuing as to whether the modern widespread fascination with breasts among heterosexual males in western societies is a sexual fetish. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. 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. On the hentai movies other hand, the masochist enjoys being hurt, humiliated, or suffering within the consensual scenario. The term has also applied to other professions and even companies trying to appeal to a gay demographic. The activity is done by itself or as a part of or prelude to other activities momsex which many times involve sex. Some masturbate only using pressure applied to the clitoris without direct contact, for example gaysex by pressing the palm or ball of the hand against underwear or other clothing. To avoid soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream or saliva during masturbation. They signal the presence of estrogen and the presence of sufficient fat stores for pregnancy and lactation. Internationally, hentai is a catch-all term to describe a genre of anime and manga pornography. Preggo pornography features pregnant performers and may include erotic lactation as a fetish.