Related Clues:

• Groucho Marx prop
• '... but no ___'
• Cowboy or Indian, e.g.
• With 51-Across, for the nonce
• Lesson giver
• Whiz-bang
• "Aye" dropper?
• Former amateur
• George Burns trademark
• New dad's handout
• Not con
• Specialist
• Upside
• Links figure
• Con competitor