Related Clues:

• "Naughty!"
• Twee rebuke
• [How shameful!]
• Reproachful sound
• Kin of 'Tut!'
• Short rebuke
• Tiny chastisement
• "What a shame!"
• ''That was a no-no''
• Disdainful sound
• "That's disappointing"
• Bit of chiding
• "That wasn't nice"
• Dental click
• "That's a no-no"