Adjective used to describe usually very negative person, that bitch about everything, spread unnecessary hate or just talk shit about others. You can meet these people in any online game like Dayz
the word northing has its origins from a guy named Northern. Northern is always telling over the top, crap-ass, totally untrue stories about himself and his father. "Northing" is simply another word for telling lies.
testman: "guess what!? my father and I stole 50 beers from the cops, and had to escape on a motorbike. we drove in 250 m/h!"
tz: "hahaha..your'e northing SO bad!"