Related Clues:

• Truth's alternative
• "I double-dog ___ you"
• "Truth or ___"
• Truth or --
• Stick one's neck out
• Show intrepidity
• Go on, do it for odd-looking dear
• 'You wouldn't --!'
• Respond to pressure, in a way
• Truth or ___
• Be courageous enough to try
• Risky challenge
• Be bold enough (to)
• "How ___ you?!"
• Inspiration for a 'Jackass' stunt, maybe