Related Clues:

• Perfect rating
• See 18-Down
• Big ___
• Time for a coffee break, maybe
• King beater, in pinochle
• Till bill
• See 49-Down
• Part of a royal flush
• 'Taps' time
• Start of a count
• Large shoe size
• Common opening time
• Royal flush necessity
• See 53-Across
• This puzzle's theme