Related Clues:

• "So there!" (Var.)
• With 69-Across, at absolutely no point
• On no occasion
• 'Unlikely!'
• Expletive expressing doubt
• "__ My Love": 1967 hit
• "Ri-i-ight!"
• "Not gonna happen, period!"
• "I sincerely doubt that!"
• Sound of laughter or contempt
• Dismissive cry
• Something stronger than ''No''
• Under no circumstances look back, even to last summer
• Word of defiance
• ''That'll show you!''