Related Clues:

• ''Queen of denial,'' e.g.
• Knock-knock joke punchline, usually
• Alexander the Grape, e.g.
• It may not have been intended
• Lettter rearrangements
• Groaner, sometimes
• Many a joke involves one
• Unit of wordplay
• Bit of word play
• "My bike won't go because it's two tired," e.g.
• "I'd like to study philosophy, but I just Kant," e.g.
• 'The lowest form of humor,' per Samuel Johnson
• Groan trigger
• One of about 3,000 in Shakespeare's plays
• "Don't be fuelish," for one