Here’s What Actually Happens To Your Body During Orgasm
As it turns out, there are at least three types of vaginal orgasm (a “wave”, a “volcano”, and an “avalanche”), and as many as six types for people with penises.
Article source: https://www.huffingtonpost.co.uk/entry/what-happens-body-brain-orgasm_uk_6ac4f2f0e4b0613dcc5512a9