Related Clues:

• Child's retort
• Shout in a playground debate
• 'Wish me luck!'
• Defensive response to a doubter
• Response to a doubting Thomas
• Response to a dare
• 'Oh, yeah? Just watch me!'
• Reply to "You can't do that!"
• Assertive retort
• Playground response to a challenge
• 'Watch me!'
• Expression of positive thinking
• 'You're not the only one!'
• 'Oh no? I'll show you!'
• Confident counterclaim