noun, plural tu·co-tu·cos.

any of several burrowing rodents of the genus Ctenomys, of South America, resembling the pocket gopher.

Origin of tuco-tuco

First recorded in 1825–35, tuco-tuco is from the American Spanish word tucotuco, imitative of its cry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of tuco-tuco