Noun
working stiff (plural working stiffs)
(originally US, informal) An ordinary person who works in a non-management position, especially one who works for wages rather than a salary.
I'm a working stiff. I just happened to be around at the right time, and nobody else wanted the job. Harry Bridges
The purpose of work is to make the worker - whether a working stiff or a CEO - feel good about life. Ricardo Semler
He's a "populist" because he's a racist, and because he believes "champion of the working stiff" is a good market niche for him (and for Trump). Source: Internet
Once inside, it felt like being in Tommy's Joynt or any old working stiff hofbrau. Source: Internet