Refering to the "cats meow". Richest, Glamourous, Prettiest..Along the lines of being almost perfect. Must have attitude, money, fame, fortune, a nice car, looks. Finicky, rude, but all together worshiped and envied.
Waiter: Would you like some of our finest champange miss?
A-list: Nah, do you think you could send someone to italy to pick up my favourite drink?