1. something that thumps or makes a thumping sound
2. something unusually large of its kind
Usage: informal
3. a rabbit
Usage: informal

Examples

• The old washing machine was a real thumper, making noise throughout the cycle.
• He caught a thumper of a fish that weighed over twenty pounds.
• The children spotted a thumper hopping across the garden.
• That bass drum is quite a thumper during the marching band performance.
• She reeled in a thumper that barely fit in the cooler.
• The little thumper disappeared into the bushes when we approached.