slobber-knock
n.— «If you doubt that statement, toss a cricket or grasshopper on the surface of a pond and see how long it takes something to slobber-knock it.» —“Despite Recent Missed Chances, Fishing Heats Up As Weather Cools” by Steve Ford Evansville Courier (Illinois) Sept. 28, 2003. (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...