Verified by Psychology Today. Evolution of the Self. Oddly enough, only the final one might be described, paradoxically, as spontaneous yet voluntary and rehearsed. All three types have been referred to as "extragenital orgasms. The least positive, as well as the most medically and psychiatrically worrisome, type of spontaneous orgasm, is also the only one that carries an official designation: Persistent Genital Arousal Disorder or PGAD.
At the time I had no idea what had happened, just that it felt amazing. I tried to make it happen again for weeks. I then had an orgasm and fell of my chair. Best part was that the sneezes were snotty so there I was halfway on the floor having an orgasm with snot on my hand. I was 19 and felt so naughty at the time.
There are so many articles online devoted to just how hard it is for women to have orgasms. Fair enough. But we wanted to delve into the happier world of accidental or unexpected orgasms. We realize most of this info is anecdotal, not scientific. But all of it is fantastic.