The exact source and nature of the fluid continue to be a topic of debate among medical professionals, which is also related to doubts over the existence of the G-Spot. Asian people or Asiatic people are people who descend from a portion of Asia population. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. The fundamental principles for the exercise of BDSM require that it should be performed with the informed consent of all involved parties. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Pornography is often referred to as porn and a pornographic work as a gay twinks porno. Strictly speaking, bondage means binding the partner by tying naked milf their appendages together; lesbian hentai for example, by the use of handcuffs or by lashing their arms to an object. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. In many cases, that person is also aroused by smelling body parts that have a urine scent. A sexual fetish may be regarded as an enhancing element to a romantic/sexual relationship achieved in ordinary ways or as a mental disorder/disorder of sexual preference if it causes significant psychosocial distress for the person or has detrimental effects on important areas of their life. Shemale is a term primarily used in sex work to describe a trans woman with male genitalia combined with female secondary sex characteristics, usually including augmented female breasts, from breast augmentation and/or use of hormones. Technically this is a form of exhibitionism rather than group sex per se.