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mountain oyster

the testis of a calf, sheep, pig, etc., used as food.
Also called Rocky Mountain oyster.
Compare prairie oyster.
Origin of mountain oyster
1885-90, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Slang definitions & phrases for mountain oysters

mountain oysters

noun phrase

Sheep or hog testicles used as food (1890+)

Related Terms

rocky mountain oysters

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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