Shortened, one-word form of skinned back favored by the most country of rednecks. To be as high on drugs, usually on stimulates or hallucinogens, as humanly possible.
In engineering, springback is the elastic recovery on a piece of metal when a force is removed - usually found in sheet metal bending, but also could apply to an erection which is pushed down and let go.
Dwight was experiencing some springback as he worked in the metal shop, so he put his pants back on and went back to sheet metal bending.