1. to jump into water with the body curled into a tight ball, typically creating a large splash
Usage: informal; present participle of cannonball
2. to move or travel rapidly and forcefully, like a cannonball
Usage: informal; present participle of cannonball

1. the act or instance of jumping into water in a cannonball position
Usage: informal; gerund form

Examples

• The kids were cannonballing into the pool all afternoon.
• He came cannonballing through the door without knocking.
• Cannonballing is a fun way to make a big splash at the beach.
• She was cannonballing down the hallway, running late for class.
• The children took turns cannonballing off the diving board.
• He came cannonballing into the room with exciting news.