Coprophilia , also called scatophilia or scat , is the paraphilia involving sexual arousal and pleasure from feces. The genre presents itself as real couples having real sex. Special forms include erotic roleplay like ageplay, in which a difference in age, either real or enacted, formulates the background; or petplay. The word shibari came into common use in the West at some point in the 1990s to describe milf fuck the bondage art Kinbaku. Breast fetishism is a paraphilic sexual interest focused on female breasts . Swinger parties may involve various group sex activities. Tentacle erotica features tentacled creatures raping or otherwise penetrating women or men. It therefore has the connotation of being wild, dangerous, and fun. A lesbian is a female homosexual; a female who experiences romantic love or sexual attraction to other females. While wearing diapers, a diaper fetishist generally experiences a comforting feeling. Threesome or 3some pornography lesbian hentai features one man and two women . Locks may be used to emphasize the submissive position or the submissive hands may be fastened above his head to the box. Unlike the usual power neutral relationships and play styles commonly followed by couples, activities and relationships within a BDSM context are often characterized by the participants taking on complementary, but unequal roles; thus, the idea of informed consent of both the partners becomes essential. Furthermore, the DSM-IV-TR gay bear porn notes, Fantasies, behaviors, or objects are paraphilic only when they lead to clinically significant distress or impairment . It is a matter of subjective definition whether participation of a third person without physical contact constitutes a threesome. The preference could be barefoot, high-heels, flip flops, and so on, depending on the fetishist. Sexual fetishism or erotic fetishism is the sexual arousal a person receives from a physical object, or from a specific situation. According to columnist Dan Savage, the person whose scrotum is being stimulated is known as the teabagger and the teabaggee is the one giving the stimulation: A teabagger dips sack; a teabaggee receives dipped sack.