1. to dive or fall flat onto one's stomach, especially into water
Usage: informal; present participle of bellyflop

1. the act or instance of diving or falling flat onto one's stomach
Usage: informal; gerund form

Examples

• The kids were bellyflopping into the pool all afternoon.
• He did a perfect bellyflopping dive off the dock.
• Bellyflopping into the water made a huge splash.
• She laughed at her brother's bellyflopping attempt.
• The cannonball was more impressive than bellyflopping.
• They were bellyflopping off the raft to cool off.