Similar to slaving away, The act of nigging away includes working 40+ hours a week, making max $9/hr, and working at a job that had 0 learning curve to it that almost any retard can fulfill.
Alex: I fucking hate it at AutoZone.
Andrew: why?
Alex: I’m getting paid 8.50 working 45 hours a week, just to stock shelves and deal with 50 year olds that can’t replace their own windshield wipers.
Andrew: dude that sounds unbearable.
Alex: yea I’m just nigging away at this job, I need to quit soon.
Drinking the plain away is your old school mid-week drinkingsession. It's when you're drinking just for the simple reason of having some fun in the midst of the plain boring existence that is your life..
-wanna go out for a beer?
-but it's Tuesday...
-c'mon dude, let's drink the plain away! 😄