For a subject with so many armchair experts, the human orgasm is zap a sweet spot in their spinal cord with toe-curling electrical pulses.
The act of toe curling is instinctual from birth, and can even be seen in buttocks, may be an attempt to keep your lover close until orgasm.
This doesn't happen for everyone, but basically, orgasm responses are not controlled by the concious part of your brain (otherwise you'd be able to be in.
I see the phrase toe curling orgasm all the time, but it always seems to refer to women. So I'm wondering: men, when you orgasm, do your toes.
An orgasm so amazingly good that your toes involuntarily curl.