Related Clues:

• "Bad boy!"
• "Naughty!" syllable
• Half an admonishment
• "I'm disappointed!"
• [Cluck]
• Click that is often doubled
• Clicking sound
• "I'm judging you"
• [How disappointing!]
• "Bad!" cluck
• Vowelless cluck
• Reprimanding sound
• Verbal headshake
• Disappointed click
• Sound of shame