jackhammer

A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.

Something that is very strong but also very rigid.

A new skiercross pro tour is on the docket, as well as freeskiing. Just like racing, both require strong but supple legs rather than jackhammer quads.

To use a jackhammer.

Early the next day a crew came to fix the street. Vernon was out there at once, watching them jackhammer and haul the asphalt […]

To break (something) using a jackhammer.

The foundations for the barrier had been jackhammered away; the piles of broken concrete were just left alongside the road.

In the morning, the street is being jackhammered up.

To form (something) using a jackhammer.

Small ledges had been jackhammered at each end of the crater and timbers bolted into them, forming abutments of the bridge that was to come.

Richmond already spent tax money on an engineering department whose employees parked their trucks in the street, jackhammered holes in the pavement, and repaired storm sewers […]

To move like a jackhammer.

[…] a bolt of lightning jackhammered across the sky, interrupting his dream.

When he jackhammered into her, she clutched the bedspread and braced herself for the onslaught.

To move like a jackhammer.

[…] he lay rigid, his heart jackhammering, telling himself that there was nothing out there, nothing […]

The paranoia came on pretty damn strong for this early in the morning, his high blood pressure—160 over 90 at twenty-two—jackhammering in his wrists, his thoughts caterwauling beneath the moment.