Related Clues:

• "In your face!"
• "So there!" (Var.)
• 'Unlikely!'
• Expletive expressing doubt
• "Ri-i-ight!"
• "I sincerely doubt that!"
• Sound of laughter or contempt
• Dismissive cry
• Something stronger than ''No''
• Word of defiance
• ''That'll show you!''
• Laughing sound
• Scoffer's shout
• Expression of surprise (one letter short of a laugh)
• Apt cryptogram of "aha"