A gothicknow-it-all who thinks he/she is to good for the world. A Sasko tends to be a person you hate and they tend to be emo; they also have big noses. Sassy is also a lose term used for Sasko. If you were being called Sassy or Sasko I would consider changing your ways. We know you have a disorder that disables you to say anything nice but you should try.
