working stiff UK /ˌwɜːkɪŋ ˈstɪf/US /ˌwɝkɪŋ ˈstɪf/ noun1 •(informal) An ordinary person who works in a non-management position, especially one who works for wages rather than a salary.The balance sheets of the middle class have improved as well. Good. But if working stiffs have come out OK, the richest have consolidated their gains. — 2023 formsworking stiffs