A noun of German origin. 1. A person incapable of dealing with technology; one whose presence causes a breakdown in all nearby electrical appliances. 2. A person unable to maintain a schedule; also marked by excessive lateness and/or absenteeism. 2b. Someone possessing a pathological devotion for engaging in tangents and asides. 3. Someone who believes that the world and its constituent parts can be properly represented by an array of identical circles.
That treadway is a walking computer virus; don't let him into the computer labs.