Partners can engage in penetrative sex, known as full swap, or choose to soft swap in which they engage lesbian milfs only in non-penetrative sex. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. The essence of voyeurism is the observing but may also involve the making of a secret photograph or video of the subject during an intimate activity. Contact mutual masturbation One person touching another person to masturbate. Practitioners have described going to public places such as a mall or a park. Regardless of its origin, BDSM is used as a catch-all phrase to include a wide range of activities, forms of interpersonal relationships, and distinct subcultures. Individuals who can change between top/dominant and bottom/submissive roles—whether from relationship to relationship or within a given relationship—are known as switches, though the term switch in this context is occasionally seen as derogatory and is rejected by many who might simplistically fit the definition. Solo pornography features performers masturbating. Human urinal: gay boy porn An act common in the bondage sex community where a male or female slave will serve as a urinal for a dominant partner. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. Not all crush fetishists are that extreme! It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. Given the wide range of practices, some of which may be engaged in by people who do not consider themselves anime hentai as practicing BDSM, inclusion in the BDSM community or subculture is usually dependent on self-identification and shared experience.