cheese curtain
n.— «Mid November, behind the cheese curtain is not known for its balmy climes or great trail conditions, but this particular November day turned out to be dry, with a few peaks at blue sky.» —“BBRS Ride with the Bums” Bike Black Ribbon (Milwaukee, Wisconsin) Nov. 19, 2006. (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...