Her Majesty the Queen; mistress (in S&M); dominatrix
king penguin (Aptenodytes patagonicus)
party game in which a randomly selected "king" issues orders to other players
person of high standing, with a warped view of reality; (lit.) naked emperor
the truth always comes out; you can't sweep it under the rug forever; a secret is too heavy to hold; (lit.) the king's ears are donkey's ears
the king of fruits (i.e. durian)
The Frog Prince (fairy tale)
The Sword in the Stone (1963 animated film)