Turn the Dragon
When the female dynamic in a relationship drastically changes for the worst.
Guy: I just went to a great movie with Alison and all she did was rag on about the actor's career, then we went out and she got me some goat milk ice cream, three pounds, and told me how good it was for my intestines!
Friend: Better hope your girl didn't just turn the dragon.
Friend: Better hope your girl didn't just turn the dragon.