1. plural of thumper: things that make loud, heavy sounds when hitting something
Usage: informal
2. plural of thumper: large or impressive examples of something
Usage: informal

Examples

• The construction workers used heavy thumpers to drive the posts into the ground.
• Those bass speakers are real thumpers that shake the whole house.
• The fisherman caught two thumpers that weighed over ten pounds each.
• The storm brought thumpers of hailstones that dented several cars.
• The drummer’s thumpers created a powerful rhythm section.
• Those are some thumpers of tomatoes growing in your garden.