Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, irrumatio, or intercourse. Solo pornography recognized with AVN Awards include gaysex the All Alone series and All Natural: Glamour Solos. 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 lesbian hentai fluid from the urinary bladder. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Works in this genre may be considered adult for any number of reasons. Yuri : Featuring two grown adult women in a homosexual/lesbian momporn relationship. A related term used in the genre is the term cougar, which implies an older woman as predator. 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. 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. Yuri female homosexual hentai. Both sexes sometimes apply lubricating substances to intensify sensation. Today, pornographic films can be sold or rented on DVD, shown through Internet and special channels and pay-per-view on cable and satellite, and in adult theaters. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls.