Yes. We have a very old mains powered vibe, that we inherited from my wife's mother. I use it on myself (centered on my frenulum) to create a very sharp orgasm. We both use it during sex as well, very effective on her clit, but she needs it set on low power. The best comes from her sucking me while I keep it pressed against my perineum. As I get near to orgasm it feels as if the whole area from the tip of my cock to my anus is one huge zone of extreme pleasure, leading to a long and explosive whole body orgasm.