In these research publications, it is suggested that real female ejaculation is the release of a very scanty, thick, and whitish fluid from the female prostate, while the squirting or gushing shown frequently in pornography is a different phenomenon, the expulsion of clear and abundant fluid, which has been shown to be a diluted fluid from the urinary bladder. Femdom features BDSM scenes in which the dominant partner is female. Cuckolding can also be mixed with other non-monogamous relationship arrangements with which it has substantial overlap such as Swinging, wife-swapping, open relationships, and polyamory, etc. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. Common positions include lying on back or face down, sitting, squatting, kneeling or standing. In humans, females generally have more round and voluptuous buttocks, caused by estrogen that encourages the body to store fat in the buttocks, hips, and thighs. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or jumbled . Lolita pornography caters to ephebophiles. However, various groups within society considered such depictions immoral, gay twinks labelling them pornographic, and attempting to have them suppressed under obscenity laws, milf fuck with varying degrees of success. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc. A celebrity can fight the release in court to maintain deniability while still enjoying the career benefits. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . A bisexual threesome may involve a man having sex with a man and a woman, the woman having sex with a man and 3d hentai a woman, or all three having sex with each other.