Short for Working Man, it is also usually accompanied by making the symbol for the W and M with your hands, the W is made by holding the Right hand upwards with the index, middle and ring finger all outstretched and spread apart, then the same with the left hand apart from poining it downwards.
Its used mainly to make fun of your friends who bitch and moan all the time like little
girls about how
hard they have been working
Scott: "Dude im so
fucking tired, ive been working like a slave all week"
All his
mates sing the chorous: "hes a Working
Man, or the Working People(whilst all making the WM sign with their hands to mock him)