Sexual fetishism or erotic fetishism is the sexual arousal a person receives anime hentai from a physical object, or from a specific situation. Following World War II, during a period of gay bear porn social repression when governments actively persecuted homosexuals, women developed networks to socialize with and educate each other. These include gently sucking and tugging on the scrotum and use of lips to ensure minimal contact with their teeth. When early sexologists in the late 19th century began to categorize and describe homosexual behavior, hampered by a lack of knowledge about homosexuality or women sexuality, they distinguished lesbians as women who did not adhere to female gender roles and incorrectly designated them mentally ill—a designation which has been reversed in the global scientific community. The fantasy is typically based around one or more larger beings dominating a smaller being. This genre also features male-on-male fellatio through a small hole made in a bathroom divider. Shotacon : Similar to Lolicon, this genre involves prepubescent or under-aged boys between the ages 6–12. In a few relationships, it leads as far as total submission of one partner in the truest sense of the phrase total power exchange . Some men place both hands directly on their penis during masturbation, while others may use their free hand to fondle their testicles, nipples, or other parts of their body. Some consider the act to be as simple as fellatio involving the scrotum. A pornographic work is characterized as hardcore if it has any hardcore content. In the West, masturbation in private or with a partner is generally considered a normal and healthy part of sexual enjoyment. Swinging can take place in various contexts, ranging from a spontaneous sexual activity at an informal social gathering of friends to a regular social gathering in a sex club or residence. These styles are much closer to the style of bondage scenes in mainstream television. As well as traditional attraction, the topic also incorporates feederism and gaining, where sexual gratification is obtained via the process of gaining body fat.