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
Among biologists, a frog’s croak is known as an advertisement call. It’s a male frog’s way of making himself known. A Wisconsin listener says children in her area learn that this sound is jugarum, jugarum. Poet and editor Willard Espy punningly...
Jackie in Wausau, Wisconsin, says her family used an odd word whenever someone took a sip and choked. She’s not seen it in print but suspects it’d be spelled something like furschluk. The family’s word is likely adapted from German verschlucken...