Related Clues:

• Joke produces silence
• Bit part?
• Comedy club bit
• Ha-ha
• One might start with 'Knock knock'
• Part of a strip
• ___ orders
• ___ order
• Joke that may backfire just the same?
• Is that funny? Silence!
• Gift at a white elephant exchange, say
• Comic's gag
• Witticism, jest
• Silence — joke
• Suppress comedian’s joke