Related Clues:

• Formal for grads
• Move like a 29-Across
• Leapfrog
• Gala for grads
• High school's crowning event?
• Bobby-soxer's ball
• Bounce like a rabbit
• Copy a bunny
• '50s high school dance
• Shake a leg there in hospital operation
• High school rite of passage
• High school formal
• Dance for 1-Down
• Senior's big dance
• Formal high school dance