Prairie oysters, also known as Rocky Mountain oysters or calf fries, are a type of food that is made from the testicles of bulls or sheep. However, the term "prairie oysters" may not be suitable for everyone. If you are looking for a more appetizing name for this dish, you could use some of the following synonyms: tender-groins, swingin' beef, mountain oysters, lamb fries, dusted nuts, bull fries, and cowboy caviar. These alternative names may sound more appealing and could help you enjoy this dish without feeling squeamish about what it actually is. So next time you're in the mood for some prairie oysters, try using one of these alternative names and see if it makes a difference!