User blog comment:WaffleMinifigure/Waffle's Guide to Mary Sues and How To Prevent Them/@comment-5869016-20130712142507/@comment-4725994-20130712202430

Ahem, my definition of "Overpowered", More powerful than necessary, possible, or sensible, without any dramatic tension in battles, giving them powers without good reason, that, is what I call O/P or Overpowered. We have different standpoints on what O/P is, I'm guessing.