Related Clues:

• "Excuse me" noise
• Subtle 'yo!'
• ''Might I interrupt?''
• Doubting sound
• ''Excuse me''
• Throaty sound
• ''Beg pardon . . .''
• Frog noise
• ''May I say something?''
• 'Um, pardon me ...'
• Word of disapproval
• Say ''ribbit!''
• 'If I might suggest something...'
• ''I'm still standing here!''
• Sound of an angry dog