According to The Hawthorne Studies, which analysed workers at an electrical plant in Chicago from 1927 to 1932, employees on the production line who worked faster than the rest of the group were labelled ‘rate busters’. “When the foreman wasn't looking, they'd 'bing' this person, which means to punch them really hard on the arm to send a message not to make the rest of them look bad,” says Klotz.