adv., etc. = JIG-A-JIG, JIG-A-JOG.
1836. Smart, Jig-jog, a jolting motion, a jog, a push.
1864. Webster, Jig-jog, having, or pertaining to, a jolting motion.
1870. Miss Broughton, Red as a Rose (1878), 151. Jig-jog through life alongside of Bob.
1885. G. Allen, Babylon, xi. That … drawing-master … with his formal little directions of how to go jig-jig for a pine-tree, and to-whee, whee, whee, for an oak.
