go-devil

Noun

 * 1)  A gadget or unspecified device, as used in various industries.
 * 2) A weight which is dropped into a bore, as of an oil well, to explode a cartridge previously lowered.
 * 3) A device, such as a loosely fitted plug, which is driven through a pipe by the pressure of the contents behind the plug to clear away obstructions.
 * 4) A rough sled or dray used for dragging or hauling loads.
 * 1) A rough sled or dray used for dragging or hauling loads.