They heard the thump when the bowling ball hit the floor.
The heavy box landed on the floor with a loud thump.
The thump of footsteps echoed in the empty hallway.
As the tree was felled, there was a deep thump as it hit the ground.
The heavy suitcase landed with a thump on the airport conveyor belt.
Startled by the loud thump, she rushed to see what had fallen in the kitchen.
The old book dropped from the shelf with a soft thump, stirring dust into the air.
