plyometrics
n.— «Coaches are taught how to make the most out of an athlete through the development of speed, correct weight lifting techniques, nutrition, and plyometrics, a bounding technique to increase speed and power, he said.» —“Power Called the Key Quality for Athlete” by Connie Yori Omaha World-Herald (Neb.) June 21, 1985. (source: Double-Tongued Dictionary)
Further reading
Chris in Omaha, Nebraska, asks about the use of the adjective husky to describe the boys’ clothing section in a department store. This coded term refers to clothes made for heavier fellows. Husky was originally a positive term connoting the...
John in Omaha, Nebraska, wonders about a phrase that encourages someone to attend an event or risk being left out or feeling uncool: be there or be square. Don’t fall for the fake etymology about people wearing boxes on their heads! Ditto for...