Related Clues:

• "Well, whaddya know!"
• Word on a name tag
• "Now I see!"
• 'What a pleasant surprise!'
• "So that's your secret!"
• Discoverer's shout
• Shout into a canyon
• "Wassup," formally
• "Caught you!"
• "What a pleasant surprise!"
• 'Is this thing on?'
• "Anybody in there?"
• Surprisedcry
• 'My, my!'
• Palindromic 'well, well!'