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. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. Evolutionary psychologists suggest that rounded buttocks may have evolved to be desirable trait because they provide a visual indication of the woman youth and fertility. Types of anal sex can also be a part of lesbian sexual practices. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. Women that take on the roles of the giantess momsex within this fetish often find the practice to be empowering and enjoy being worshiped. Some men also enjoy anal stimulation, with fingers or otherwise, gay fuck without any prostate stimulation. Pornography may fall into more than one genre. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination. When the interest in a particular subject is obsessive, the behavior may be described as stalking. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. The arousal from being desperate comes from the sensation of having a full bladder. 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. If dramatic skills are not gay hentai involved, a performer in a porn film may also be called a model. Threesome can also refer to a love triangle, a three-way romantic relationship. Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism.