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yellow dog

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noun
  1. a cowardly, despicable person; a craven.
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Origin of yellow dog

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for yellow dog

Historical Examples

  • Now the philosophical pacifists—I don't mean the cowardly, yellow-dog ones—have never quite seen the war in this aspect.

    The Life and Letters of Walter H. Page, Volume II

    Burton J. Hendrick