orgasm
Sexual climax, a physiological and neurological response to sexual stimulation. It results in feelings of intense physical pleasure, release, and usually calm. During orgasm, men usually ejaculate semen from the tip of their penis. Women usually produce an amount of liquid from their vaginal opening, and may also on occasion ejaculate.
Tag applicable when it is apparent within an image that a character, usually a female, is experiencing an orgasm. This is usually shown most through the facial expression.