In the context, it's probably supposed to mean something like strong will, determination, guts, but nobody here, including me, has ever heard the word usedin a way that would make much sense here. Maybe the author made it up out of whole cloth. Maybe he or she lives in a small speech area of his or her own. I wouldn't use it in such a way if I were you.
I googled it. Naturally. It's actually Ms. Wheelchair America.
Ms. Wheelchair America, 2009: