Related Clues:

• Bust alternative
• When repeated, a kid cowboy's shout
• Big bang
• Sound barrier
• Return for a buck?
• SLAM
• Crash sound
• Hairdo feature, perhaps
• Explosive sound
• 'Batman' sound
• Economic upswing
• Gunshot sound
• Fourth of July sound
• Unwanted engine sound
• ''Kapow!''