Related Clues:

• Worthless
• Classic kids' game
• Klutz's utterance
• 'Whoops!'
• 'Come again?'
• Unwelcome word at an antique shop
• Unfortunate
• Kin of 'Uh-oh!'
• Conversation starter
• 'Sorry 'bout that!'
• Response to an insult
• 'Pardon me'
• Butterfingers' remark
• Pathetic
• 'Oops!'