Upside

n.
  1. The upper side; the part that is uppermost.
  2. the benefits; the positive features; -- said of a situation or event that has both positive (good) and negative (bad) aspects.
    3. To be upsides with ,
    to be even with.
    Upside down .
    With the upper part undermost; hence, in confusion; in complete disorder; topsy-turvy.