The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Shibari is a Japanese word that literally means to tie or to bind. A sex party is a gathering at which sexual activity takes place. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus nude milfs to that same second performer mouth in a single shot. The inside of a smotherbox is often padded to provide gay bear porn support for their neck and prevent their head from moving. The porn industry and viewing public were shocked by the then-taboo spectacle of a white woman having sex with a black man. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. Rape pornography features performers simulating rape. A variant of A2M is ATOM where a performer inserts his penis directly from one recipient anus into a second recipient mouth. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903. Simultaneous penetration of the mouth and either the vagina or anus. The prostate gland is one of the organs that contributes fluid to semen. Lesbianism has been a theme in erotic art since at least gay hentai the time of ancient Rome, and many regard depictions of lesbianism to be erotic. Gloryhole pornography features women performing fellatio on unidentified men through a small hole made in a bathroom divider.