shaker
n.— «Joseph had been working since the spring for Bestway Disposal Services of Epping, where he took well to his job and his co-workers. He was employed as a “shaker,” the term for the person who works the back of the truck emptying bins.» —“Family mourns Sandown man killed in crash” by Terry Date in Sandown Eagle-Tribune (North Andover, Massachusetts) Aug. 23, 2007. (source: Double-Tongued Dictionary)