cheddar curtain n. the divisions real and imagined that separate Wisconsin from neighboring states, especially Illinois. Also cheese curtain. Editorial Note: This term is parellel to Orange curtain, cotton curtain, and other, similar terms. (source: Double-Tongued Dictionary)
Further reading
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
Sara in Madison, Wisconsin, was reading an old edition of The Joy of Cooking and came across a recipe that described a cake’s ingredients as earrings for an elephant. She couldn’t discern whether the authors meant that was a good thing...