Related Clues:

• Humorous anecdote or remark
• A palindromic muzzle
• Palindromic muxxle
• A palindromic joke or muzzle
• Palindromic muzzle
• Muzzle or silence
• Muffle with slang joke
• Kind of muzzle or informal joke
• Put a muzzle on the joke
• Muzzle in palindrome form
• Joke or muffler - a palindrome
• Silence the joke
• Either way, that'll stop you giving 25 down
• It's so funny it leaves one speechless
• That's a funny sort of conversation-stopper