Related Clues:

• 'Cinderella' event
• Heavy blow
• Wax unit?
• Quite a party
• Ump's call
• Hit hard
• Gala
• Big blowout
• Blowout
• Word that can follow the ends of 17-, 26-, 43- and 58-Across
• 'I Love Lucy' star
• Big to-do
• Batter
• Sock
• See 25-Down