Rocky Mountain oyster

noun

1. mountain oyster.

Word History and Origins

Origin of Rocky Mountain oyster¹

First recorded in 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

The fire department plans to have an open house for the new fire hall later in the spring as well as a Rocky Mountain oyster fry in July.

From Washington Times

As an auxiliary member, she’s helped with everything from rocky mountain oyster feeds to programs that assist vets.

From Washington Times