Related Clues:

• Dumpy bar
• Enter a pool, perhaps
• Cannonball outcome
• One may be given a 10
• Play in the pool, say
• Cannonball sound
• Big impression
• Sub captain's command
• Plunge head first
• Ring pretense
• Jackknife, in the pool
• Submarine order
• Enter the pool
• Intentional loss, in boxing
• Result of a cannonball