1. a heavy, dull sound made by something hitting or falling
Usage: informal

1. making a heavy, dull sound; hitting with a dull impact
Usage: informal; present participle of ‘whump’

Examples

• The heavy book fell with a loud whumping sound.
• We could hear the whumping of helicopter blades overhead.
• The basketball kept whumping against the garage door.
• There was a constant whumping from the construction site.
• The waves were whumping against the pier all night.
• His heart was whumping in his chest after the race.