think (one) hung the moon
To consider someone to be extraordinary, the best, or exceptionally wonderful. Your little sister absolutely adores you. She thinks you hung the moon!
think someone hung the moon (and stars)
and think someone is God's own cousinRur. to think someone is perfect. Joe won't listen to any complaints about Mary. He thinks she hung the moon and stars. Jim is awful stuck-up. He thinks he's God's own cousin.