dump truck
n.— «“One of the cruel ironies is that on the tier in any prison, the person most inmates name as responsible for them being there is ‘the dump truck P.D.,’” said David Coleman, the public defender in Contra Costa County, Calif. “Thus, the razor or weapon used against a public defender is all too common.”» —“Inside Courts, Threats Become an Alarming Part of the Fabric” by Deborah Sontag N.Y Times Mar. 20, 2005. (source: Double-Tongued Dictionary)