Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Multiple men and women Bisexual pornography features one woman and two men who all perform sex acts on each other. Detective magazines, comic hentai porn books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. A bisexual threesome may involve a man having sex with a man and a woman, the woman having sex with a man and a woman, or all three having sex with each other. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals. In the gay pornography industry, which uses amateurs as well as professional actors, the term gay-for-pay refers to actors labeled or believed to be straight but who engage in same-sex sexual activities for money. Among swinging couples, one of the two partners is often the driving force and the other is more passive-supportive of the addition of additional sex parties. The term BDSM dates back to 1969; however, the origin of the term BDSM is unclear and is believed to have been formed either from joining the term B&D with S&M , or as a compound momporn initialism from B&D, D&S , and S&M. Some straight actors have started acting in gay porn only to be accused of being gay while others first step was to strictly do solo scenes. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. They may regard it as an enhancing element gay cock of their sex lives or as their primary form of sexual activity. Felching is a sexual practice involving the act of orally sucking semen out of the vagina or anus of one partner.