quillow
n.— «Quillow is a quilt that features a reversible pocket that allows the blanket to be folded up into itself, forming an attractive pillow suitable for rest or decoration.» —“New gadgets devein, cook, even squeegee” by Dorsey Connors Chicago Sun-Times (Illinois) Jan. 8, 1991. (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...