Possible Clues:

• Risk taker's challenge
• 'You think I won't?!'
• Response to 'I bet you won't'
• Risktaker's challenge
• "You don't think I'll do it, do you?!"
• Exhibitionist's challenge
• 1985 Pointer Sisters hit
• Statement of self-confidence
• Risktaker's challenging words
• Cocksure challenge