Orgasm (ancient Greek - moisture, afire) - the culmination of sexual excitement, characterized by strong feelings of pleasure. Usually occurs as a result of mechanical stimulation of the erogenous zones, usually genital, vaginal intercourse, oral or anal sex, masturbation, hand stimulation of erogenous zones partner, language and other forms of sexual activity. Some people have an orgasm during sexual arousal without strong mechanical stimulation [citation needed]. Men can orgasm in a dream, and this phenomenon is accompanied by ejaculation is called wet dreams. Orgasm - the third and highest stage of change in a person's sexual response cycle it.