Related Clues:

• Groucho Marx specialties
• Groan causers
• You'll find some in this puzzle
• Witticisms
• Plays on words
• Groan elicitors, often
• 'Sanity clause' and others
• Some wordplay
• Bits of wordplay
• Groaners
• Ogden Nash specialty
• Groan getters
• Wits' bits
• Groan inducers
• Many conundrums have them