Related Clues:

• It's best when cracked
• 'To put an ___ disposition on': Hamlet
• It may be delivered at a nightclub
• Bit of tomfoolery
• Bit of hijinks
• Robin Williams-esque
• Monologue unit
• Monologue part
• Playful trick
• Comic's one-liner
• Be playful
• Marx trademark
• Clown's bit
• It may start with someone entering a bar
• One may begin "Knock knock"