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)
by SamwellRamswell April 11, 2009
There are a few WM's around here on this base.
by SSgt J's Wife January 20, 2005
Person 1: Can you do the homework
Person 2: wm?
by Randomuser6352 May 5, 2020
Whatever Minger
Used mainly by slappers and people who think the word 'minger'makes them sound good.

Pronounced: "Wha'eva, minga"
by [Cyanide] July 15, 2004
Why man
Dude wm
What?
It means why man
by youoweusdogs June 23, 2017
stands for woe misery and shit (abreviation!!)
Fiona: "how's life?"
Emily: "WMS

Emily: "your face is WMS"
Fiona : 0_o
by giantpenguinsuit November 10, 2009