from The Century Dictionary and Cyclopedia
- n. An implement, used in Australia, for plowing cleared wheat-lands in which the stumps of trees have been left. Also stump-jump plow.
Sorry, no etymologies found.
Meet the Xplore Adventure Series 2011 Jeep Wrangler Unlimited, a turnkey stump-jumper put together by Venchurs Inc., which is described in the press kit as a "Michigan-based parts distribution and fulfillment company."
And remember, Zeno, that’s where redneck and stump-jumper was first patented.