Related Clues:

• Take risks
• Hazard
• Inspiration for a prank, maybe
• Take a risk
• Appear on 'Fear Factor,' say
• Be plucky enough
• It may make you do something foolish
• Verbal challenge
• Show guts
• 'I ___ you!'
• Chal-lenge
• Take a shot
• Show chutzpah
• Cheer up
• Have the courage