hillbilly armor
n.— «“We call it “hillbilly armor’ because all we did was cut out thick steel and put it on our doors,” Jackson said. “We have a really good welder who worked really hard on that to give us the extra protection.”» —“Truck Drivers Recount The Road To Baghdad” by Stephanie Heinatz in Camp Arifjan, Kuwait Daily Press (Hampton Roads, Va.) Sept. 11, 2004. (source: Double-Tongued Dictionary)