tumblebug

[tuhm-buh l-buhg]
noun
  1. any of several dung beetles that roll balls of dung in which they deposit their eggs and in which the young develop.

Origin of tumblebug

An Americanism dating back to 1795–1805; tumble + bug1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of tumblebug