Related Clues:

• "In my opinion ... "
• Words to an "old chap"
• 'Well, fancy that!'
• 'Hmm'
• 'Who knew?'
• 'That's impressive!'
• Haw alternative
• Watson outburst
• Naive utterance
• 'That's unbelievable!'
• 'Well, well, old chap'
• "Who'da thunk it!"
• Dr. Watson outburst
• Shout of surprise
• Beaver Cleaver interjection