Related Clues:

• A-number-one
• Tells a funnier joke than, e.g.
• Hall of Fame pop group The Four __, and last of this puzzle theme's five anagrams
• Toys that spin
• Performs better than
• Best in the field
• Stuff to talk about
• Boosts octane, e.g.
• Stays a step ahead of
• Stoppers
• One-ups
• Unsurpassable
• Pajama parts
• Makes more valuable
• Supreme