Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. Since at least 1973, it has also been used to refer to a sexually attractive young woman. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. English adopts and uses hentai as a genre of pornography by the commercial sale gay hentai and marketing of explicit works under this label. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis nude milfs in the relevant orifice and is therefore wet or sloppy. To tea bag is a slang term for the sexual act of a man placing his scrotum in the mouth of a willing sexual partner for pleasure or onto the face or head of another person. Crying pornography that features participating actors crying. Targets the male audience, but is much less popular than Yaoi. Bisexual DVDs sell much better online gaysex than in adult video stores, possibly due to customers in stores feeling embarrassed to buy them. Within a BDSM or D/s context, facesitting can be an especially intense form of erotic humiliation. Boot fetishism is a sexual fetish dedicated to boots. Each participant may engage in any type of sex acts with one or both of the others, such as vaginal, anal or oral sex or mutual masturbation. It spawned numerous sequels, several of which won adult film awards. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene.