Memetic Mutation: "Lip wrestling"Explanation During Rupert and Amir's Big Damn Kiss that breaks the curse, Rupert's father (who wants them to fight to the death) desperately tries to rationalize that it's actually "lip wrestling", much to the consternation of Amir's father. The fandom, of course, took this and ran with it.
Moral Event Horizon: If the Great Offscreen War wasn't this for the Kings, threatening to murder their wives to coerce their sons into killing each other certainly was. Not helped by the implication that the King of the East was already abusive towards his wife when they were married.