Related Clues:

• Quiet without silence, initially — what?
• "That's a surprise"
• 'Beg pardon?'
• 'Whoa, whoa, whoa - go back'
• ''Please explain again''
• Comment from a confused student
• 'OK, explain it again, but this time wayyyyy sloowweerrrrr...'
• 'Wow, I didn't expect that!'
• Answer that probably won't earn you any points on a game show unless the prompt is 'This one-syllable sound usually indicates someone doesn't know what you're talking about'
• ''That's news to me''
• ''Start again, please''
• 'Could you put that in layman's terms?'
• Mellencamp: "Uh-___"
• Indie band Uh ___ Her
• Goes with John Mellencamp's "Uh"