Yuri : Featuring two grown adult women in a homosexual/lesbian hentai porn relationship. Creampie pornography features ejaculation inside the vagina , mouth or rectum instead of the common cum shot, followed by the visible seeping or dripping of semen from the vagina, mouth or anus. Some men enjoy masturbating during pegging. Production of such films was profitable, and a number of producers specialised in their production. Milking pornography features lactating women being milked or milking themselves . Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Some people get sexual pleasure by inserting objects, such as urethral sounds, into the urethra , a practice known as urethral play or sounding. Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. In humans, females generally have more round and voluptuous momsex buttocks, caused by estrogen that encourages the body to store fat in the buttocks, hips, and thighs. Contrary to the other two types, B/D does not define the Tops and Bottoms itself, and is used to describe the general activities with either partner being the receiver and the giver. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction . The cover can have hinges or be a separate part. The terms Big Beautiful Women and BBW were coined by Carole Shaw in 1979, when she launched BBW Magazine, a fashion and lifestyle magazine for plus-size women Fat fetishism is the gay fuck strong or exclusive sexual attraction to overweight or obese people. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. Reality pornography is a genre of pornography where staged scenes, usually shot in cinéma vérité fashion, set up and precede sexual encounters.