The state of having absolutely ZERO sass. Often times these people believe they are extremely sassy, the majority of non-sassers believe that they are in fact sass king/queen. This is not the truth, though, as non-sassers have no sass, and are very often confused. They are best dealt with by putting them into their rightful NO SASS place and given some pineapple juice and a link to this definition.
Josh is a non-sasser, which was clearly established at the party on Monday.