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.
Bench pressing and lifting weights in general aren't as calorically demanding as cardio-based activities, but an hour of intense resistance training can still burn between 265 calories for a 160-pound person, and 545 calories for a 240-pound person.