that's why the french call it le petit explosion
i know this is a joke but it's "the little death" smth like "la petit morte"
source: "La petite mort (French pronunciation: [la pətit mɔʁ]; lit. 'the little death') is an expression that refers to a brief loss or weakening of consciousness, and in modern usage refers specifically to a post-orgasm sensation as likened to death."
-Wikipedia