Related Clues:

• Klutz's utterance
• Unwelcome word at an antique shop
• Slip
• Kin of 'Uh-oh!'
• Faux pas
• 'Sorry 'bout that!'
• Butterfingers' remark
• Goof
• Boo-boo
• Blunder
• Cry over spilled milk
• Blooper
• 'Stupid me!'
• Dropping sound
• 'My bad'