Related Clues:

• 'Hmm, I don't know!'
• 'You don't say!'
• 'Wow!'
• 'Fancy that!'
• 'My word!'
• Word on all U.S. coins
• La la starter
• La-la lead-in
• 'Golly!'
• Vulcan, for one
• Go right
• Jupiter, e.g.
• King of Kings
• 'Holy Toledo!'
• 'Gosh!'