Related Clues:

• Wordplay bit
• Wordplay from Groucho
• Groucho specialty
• Essence of many a punch line
• Jeu de mots
• Essence of a knock-knock joke
• 'Poultry in motion,' e.g
• *Flashback and halfbacks
• Knock-knock joke, essentially
• "I threw away my golf shoes when I got a hole in one," e.g
• Feature of many a Duchamp work
• Funny bit of wordplay
• Feature of many a Ludacris lyric
• See circled letters
• Many a bon mot