Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs. Sexual relations between women have been illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Once insertion is complete, the fingers are either clenched into a fist hentai movies or kept straight. The range of its individual characteristics is thereby wide. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. Individuals are also sometimes abbreviated when gay twinks referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography. Two women tapegagged and cuffed to iron bars Bondage and Discipline are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. The definition clash also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. The concept of lesbian, to differentiate women with a shared momporn sexual orientation, is a 20th-century construct.