However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. 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. As well as traditional attraction, the topic also incorporates feederism and gaining, where sexual gratification is obtained via the process of gaining body fat. As a form of non-penetrative sex, it can be done for its own enjoyment or as foreplay. Coprophilia , also called scatophilia or scat , is the paraphilia involving sexual arousal and pleasure from feces. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. Erotic spankings are commonly combined with other forms of sexual foreplay. For gay bear porn some people, non-penetrative sex is the primary sexual activity anime hentai of choice above all others. A heterosexual threesome may involve two men and a woman, or one man and two women - that is, two men having sex with a woman , or two women with a man. A lesbian is a female homosexual; a female who big tit milf experiences romantic love or sexual attraction to other females. The glans itself may widen and lengthen as the stimulation continues, becoming slightly darker in colour, while the gliding action of the foreskin reduces friction. In Japanese, the term describes any type of perverse or bizarre sexual desire or act; it does not represent a genre of work. They signal the presence of estrogen and the presence of sufficient fat stores for pregnancy and lactation. A related term used in the genre is the term cougar, which implies an older woman as predator. Following World War II, during a period of social repression when governments actively persecuted homosexuals, women developed networks to socialize with and educate each other.