Related Clues:

• See 20-Across
• 'When pigs fly!'
• Scornful sound
• Concert memento
• 'That'll show you!'
• See 44-Across
• 'I doubt that!'
• Golfer's gadget
• Appear indecisive
• Golf course feature
• 'Yeah, sure!'
• Peg with a concave top
• 'So there!'
• Hesitate
• Collarless shirt