Iron Ring
n.— «They are the leaders of Beecher, Monee, Crete, University Park and Peotone—the five towns surrounding the footprint of the proposed south suburban airport. Their official name is the Eastern Will County Council of Mayors. But they are better known for a tougher, more symbolic nickname: the Iron Ring.» —“Airport plan has ring to it” by Guy Tridgell Daily Southtown (Tinley Park, Illinois) May 22, 2005. (source: Double-Tongued Dictionary)
Further reading
After our chat about tongue twisters, a Chicago, Illinois, listener shares one that looks much easier than it sounds: Irish wristwatch. This is part of a complete episode.
Related
Michael from Jones, Michigan, says he was stationed on a U.S. Army base in Germany in the early 1960s. If there was a gust of cold wind, a fellow soldier would say the hawk’s out. This expression is largely associated with Chicago, Illinois...