I was a huge theater geek growing up and that was not the easiest thing in the world especially growing up in Chicago where sports are really the norm. I was always off to the theater at night from 7 years old on. Friends there in the Midwest who could talk to you about the idiosyncrasies of 'Pippin' were few and far between.
Crabbed and obscure definitions are of no use beyond a narrow circle of students of whom probably every one has a pet one of his own.