also jackhammer, "portable rock-drill worked by compressed air," 1913, from jack (n.) + hammer (n.). As a verb by 1947.
What do they call a jackhammer in England?
A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel.
What is jackhammer slang?
Jackhammer: A sexual position similar to Doggystyle, but you...