The word shibari came into common use in the West at some point in the 1990s to describe the bondage art Kinbaku. A 2009 study found that heterosexual male fat admirers preferred females that were clinically overweight and rated both overweight and obese women more positively than slighter individuals. In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has dripped from their bodies. Activities range from a spontaneous smack on bare buttocks during a sexual activity, to occasional sexual roleplay, such as ageplay, to domestic discipline and may involve the use of a hand or the use of a variety of spanking implements, such as a spanking paddle or cane. Hentai narrow Japanese usage and broad international usage are often incompatible. Shotacon : Similar to Lolicon, this genre involves prepubescent or under-aged boys between the ages 6–12. Breast fetishism is a paraphilic sexual interest focused on female breasts . Individual tastes and preferences in the area of sexuality may overlap among these areas, which are gay fuck discussed separately here. 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. A pornographic work is characterized as hardcore if it has any hardcore content. Mammary intercourse has sometimes been considered a perversion. A facial is a term for the sexual activity in which a man ejaculates semen naked milf onto the face of one or more sexual partners. As well as traditional attraction, the topic also incorporates feederism and gaining, where sexual gratification is obtained via the process of gaining body fat. Sexual fetishism or erotic fetishism is the sexual arousal a person receives from a physical object, or from a specific situation. A bisexual threesome may involve a man having sex with a man and a woman, the woman having sex with a man and a woman, anime hentai or all three having sex with each other.