Related Clues:

• Ready to hit a baseball
• Crane component
• Chance to strike out on one's own
• Visit to home
• Ka-blam!
• 'Ka-blam!'
• Sonic --
• Swinging
• Upsurge
• Swing time?
• Upsurge in activity
• Sound made when passing the sound barrier
• Cannon sound
• Economic prosperity
• Surge in sales