A phrase used directed towards a person who doesn't do hardly anything. It is directed towards lazy people who don't do much at all, but still need to do less. It is very appropriate to remind him/her that she needs to do less.
Matt: Hey, what's up Mark Jay, what are you up to right now.
Mark: Well, I'm just sitting in my desk chair, on the computer and watching Duke lose in every sport.
Matt: Do less.
The act of not doing enough, while hammered off your ass.
Jason casually walks to the front door of his good friend A.J to see what he is doing. A.J. answers the door in a manor signifying to Jason that he is completely hammered off his ass. Jason asks "A.J. what are you doing and where are your pants?" A.J. replies in a extremely drunken manor "makin me a chicken." Jason then replies with disappointment “do less."