rod buster
n.— «Former world’s welterweight boxing champion, Fritzie Zivic of Pittsburgh now is a “rod buster” for the Penn Southern Construction Company.» —Hammond Times (Indiana) June 3, 1952. (source: Double-Tongued Dictionary)
Further reading
If someone urges you to spill the tea, they probably don’t want you tipping over a hot beverage. Originally, the tea here was the letter T, as in “truth.” To spill the T means to “pass along truthful information.” Plus...
Jacuzzi and silhouette are eponyms — that is, they derive from the names of people. An Italian immigrant to California invented the bubbly hot tub called a jacuzzi. And the word silhouette commemorates a penny-pinching treasury secretary who lasted...