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Rocky Mountain oyster

Origin of Rocky Mountain oyster
First recorded in 1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Slang definitions & phrases for rocky mountain oysters

Rocky Mountain oysters

noun phrase

A lamb's testicles used as food (1889+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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