As well as traditional attraction, the topic also incorporates feederism and gaining, where sexual gratification is obtained via the process of gaining body fat. Most bisexual porn is made by small production companies rather than the major studios. In Japanese, the term describes any type of perverse or bizarre sexual desire or act; it does not represent a genre of work. The genre presents itself as porn milf real couples having real sex. Common phrases used to refer to these individuals are chicks with dicks or the derogatory term shemale, although these are generally considered hot gay sex pejorative among transwomen. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree 3d hentai of sexual excitement, and the time since his last ejaculation. A person may be sexually penetrated multiple times simultaneously. 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. Today, religions vary in their views of masturbation; some view it as a spiritually detrimental practice, some see it as not spiritually detrimental, and others take a situational view. The warm sensation felt when urine trickles on the body seems to give very relaxing and pleasurable feelings to the person. Boots are seen as the perhaps most fetishistic of all footwear and boots may be the most popular fetish clothing attire. Today, pornographic films can be sold or rented on DVD, shown through Internet and special channels and pay-per-view on cable and satellite, and in adult theaters. Real school shots or videos which are sexualized may violate privacy laws in some countries. For some people, non-penetrative sex is the primary sexual activity of choice above all others. Diaper fetishism, nappy fetishism or diaperism, is a sexual fetish in which a person feels a desire to wear or use diapers.