Vag Fairy
N. A fairy that lives in your vagina, it restrict what objects enter into your vag. If it doesn't like what it sees, it works it's magic and turns the said object into stone... forever. Every female is equipped with a vag fairy, free of charge.
Ex. The man walked around clueless as to why his genitalia had been turned to stone; Holga laughed and thanked her vag fairy.