Wiktionary
lamb fries
n. (context US English) The testicles of a lamb, peeled, rolled in cracker meal, fried, and served as food, a traditional dish in the http://en.wikipedia.org/wiki/Bluegrass%20region of Kentucky.
Wikipedia
Lamb fries
Lamb fries are lamb testicles used as food. Historically they were parboiled, cut in half, and seasoned. Lamb testicles are served in a variety of cuisines, including Italian, American Basque, barbecue, Chinese, Caucasian, and Turkish. In the United States they are often served breaded and fried.
Lamb fries, often served in a cream gravy, are a traditional dish in the Bluegrass region of Kentucky.