With second wave feminism and growth of scholarship in women history and sexuality in the 20th century, the definition of lesbian broadened, sparking a debate about sexual desire as the major component to define what a lesbian is. This is commonly called double anal or double stuffing. Crying pornography that gay boy porn features participating actors crying. However, sex researchers and adolescent health care professionals have found no evidence for the existence of rainbow parties, and as such attribute the spread of the stories to a moral panic. It is practiced by people of all sexual orientations, and can be part of a full repertoire of sexual activity. BDSM has become an umbrella term for certain kinds of erotic behavior between consenting adults. The sub-genres usually conform to certain conventions, and each may appeal to a particular audience. 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. Insertion in pornography features women inserting various odd objects into their anus or vaginas. This type of stimulation is typically all that is required to achieve orgasm and ejaculation. Masturbation involves touching, pressing, rubbing or massaging a person hentai porn genital area, either with the fingers or against an object such as a pillow; inserting fingers or an object into the anus ; and stimulating the penis or vulva with an electric vibrator, which may also be inserted into the vagina or anus. In some areas, there are laws stating it is not legally possible to consent to be killed, and elsewhere it may still be legally momsex dubious . Sometimes, asymmetric and often intentionally uncomfortable positions are employed to heighten the psychological impact of the bondage. For other diaper fetishists, simply wearing a diaper, the bulking feeling and crinkling sounds associated with it, is enough to cause the fetishist a form of erotic pleasure or sexual arousal.