Vibrators: What They Are and How to Use Them Why Is My Vagina Vibrating? What You Need to Know I'm experiencing this vibrating sensation in my penis, and it's been Apollo Feeling Numb Down Below? Why You Have a Numb Penis or Vulva and What to do! Vibrators for pelvic pain?! Yep, you read that right. Vibrators aren't just pleasure and reaching orgasm, they can also help reduce pelvic pain. How? Vibrations promote relaxation in tight muscles