Someone who gets high on meth and then gets on pof or tinder looking forthe next person to get high with. Also so high that you are stuck to your phone for hours looking for the next high.
A completely derogitory term. Accurately describes someone who quite ovbiously is thick, or behaves in a manner in which you would never be friend. Unlike unit which could be taken as a term of endearment to a buddy, if called a unit. You would be a spun unit if you thought being called a spun unit brought you closer to the sayer. You would be fairly mad / cross while saying so.
Take a look at that f*cking c*cksucker taking up both lanes, AND he doesn't give a sh*t. He's a f*ckin spun unit if i've ever seen one. F*ck off loser ( as you give the finger as you overtake him)