Bulgarian for "big huge vagina with teeth". Similar to the "Vagina Dentata" myth.
See Jesse Owen.
Dude: "I don't know why Jesse is such a cerebus but he is."
Some bitch: "Oh I don't know about tha- OH MY GOD WHY DOES THAT VAGINA HAVE TEETH? OH MY GOD IT'S JESSE THE CEREBUS IS EATING ME WITH HIS TOOTHED VAGINA YOU WERE RIGHT!"