Related Clues:

• Scornful sound
• 'So ___!'
• Flippant response to a rebuke
• Sound of disbelief
• 'Well, sorr-ry!'
• Skeptical grunt
• 'My mistake ... big deal!'
• Flip response to a complaint
• 'Big deal ... I was wrong'
• "I don't think so!"
• 'Guys and Dolls' song
• 'Big deal!'
• 'My mistake—big deal!'
• "What are you gonna do about it?!"
• Flippant alternative to 'I'm sorry'