Definition of orgasm. : intense or paroxysmal excitement; especially : the rapid pleasurable release of neuromuscular tensions at the height of sexual arousal that is usually accompanied by the ejaculation of semen in the male and by vaginal contractions in the female.
On average, the subjects burned 5.3 calories per minute. A second trial, this time commissioned (i.e. paid for) by the Les Mills Group (the people who invented Body Pump), compared a Body Pump session lasting 57 minutes with 60 minutes of continuous cycling.
Harvard Medical School's website reports that during pedaling exercises, a person who weighs 155 pounds and pedals at a moderate pace for 30 minutes will burn about 260 calories, while a person of the same weight who maintains a vigorous pace for 30 minutes will burn about 391 calories. (See Reference 2)