mountain oyster

noun

1. the testis of a calf, sheep, pig, etc., used as food.

Word History and Origins

Origin of mountain oyster¹

An Americanism dating back to 1885–90

Example Sentences

Not everybody notices the prominence of the bull’s, well, bullness — prodigious enough to provide servings of Rocky Mountain oyster to much of the STK populace, were the statue to come to life.

From Seattle Times

Denver-based Wynkoop Brewing Co. lures a lot of customers with its Rocky Mountain Oyster Stout, which is made with roasted barley, seven different grains and grilled buffalo or bull testicles.

From Los Angeles Times

Denver-based Wynkoop Brewing Co. lures a lot of customers with its Rocky Mountain Oyster Stout, which is made with grilled bull testicles.

From Washington Times

Along with a sense of humor, the Mountain Oyster Club — founded in 1948 — serves up an impressive collection of Western art, not only on its walls, but also in an annual show in November that is open to the public.

From New York Times

“There are many colorful stories of how the Mountain Oyster Club came to be. There is probably a thread of truth in most of them,” according to the club history on its website.

From New York Times