pile driver
noun
a machine for driving piles, usually composed of a tall framework in which either a weight is raised and dropped on a pile head or in which a steam hammer drives the pile.
a person who operates such a machine.
a person who hits or attacks forcefully or powerfully.
Wrestling.
a move whereby an opponent is turned upside down and slammed headfirst to the mat.
British Sports.
a powerful stroke, hit, kick, etc.
Origin of pile driver
First recorded in 1765–75