cheese curtain
n.— «Wisconsin—Behind the Cheese Curtain.» —“Re: Longest Known Palindrome” by Joseph Betz Usenet: talk.bizarre Oct. 12, 1994. (source: Double-Tongued Dictionary)
Further reading
A Wisconsin wonders if anyone outside her family uses the word funsel, possibly spelled funcil, to denote “a single strand of leftover cobweb hanging from the ceiling.” That one may be all their own, but another word she asks about, gnurr, meaning...
A caller who grew up in Wisconsin says his spouse, who’s from Florida, teases him for such things as pronouncing bagel like “BEG-el” and dagger as “DEG-ger.” They’re just products of his isolect, the regional variants from his particular dialect of...