Green’s Dictionary of Slang

(US) a mild oath; in a variety of combs.

1917		Freeman & Kingsley Alabaster Box 56: ‘Gr-reat jumping Judas!’ cried the irrepressible Lute, whose other name was Parsons .
1923		M. Garahan Stiffs 218: Great jumping apostles!
1929		L. Thomas Woodfill of the Regulars 79: Great Jumpin’ Jehosaphat, and how do you spell it?
1970		San Diego Sailor 42: Great jumping balls! This was going to be better than I’d anticipated.