1. beetles that roll balls of dung in which they lay their eggs; dung beetles
Usage: informal; plural form

Examples

• The children watched the tumblebugs rolling their dung balls across the dirt path.
• Tumblebugs play an important role in breaking down animal waste in pastures.
• The farmer appreciated having tumblebugs in his fields to help fertilize the soil.
• We observed several tumblebugs working together to move a large ball of manure.
• The nature guide explained how tumblebugs help clean up the environment.
• Tumblebugs are fascinating insects that demonstrate remarkable strength for their size.