1. The act of doing anything in a sneaky fashion.
2. Being dirty, grimey, and God awful sinister.
3. Being sneaky, the ways of a sneaky person
If you're playing basketball and you quitely sneak up behind someone and steal the ball, you just used PLO style to gain possession of the rock.
If you hate your boss and somehow manage to pull his wife and slap nasties with her behind his back, your style is mad PLO.