used for registering shock, surprise, disappointment, or for emphasis US,1876 Elaboration of GEE!
I’d had a deadly relationship the previous summer with another media maiden who was a self-declared faghag so gee whiz I didn’t mean to be prejudiced[.] — Lester Bangs, PsychoticReactionsandCarburetor Dung, pp. 291–292, 1979