Shibari is a Japanese word that literally means to tie or to bind. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence of each other but not touching. A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and lesbian milfs forth. Tentacle rape or shokushu goukan is found in some horror or hentai titles, with tentacled gay movies creatures having sexual intercourse with female characters. Threesome can also refer to a love triangle, a three-way romantic relationship. BDSM communities generally welcome anyone with a non-normative streak who identifies with the community; this may include cross-dressers, extreme body mod enthusiasts, animal players, latex or rubber aficionados, and others. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; anime hentai sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. It is suggested that much of the obscurity and the uncertainties about female ejaculation are related to mixing up these two phenomena. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly become a genre in its own right. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. Terminology for roles varies widely within the various BDSM subcultures. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm.