What is the meaning of 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.

To use a jackhammer.

To break (something) using a jackhammer.

To form (something) using a jackhammer.

To move like a jackhammer.

  1. To beat hard, to pound.

To beat hard, to pound.

To move (something) like a jackhammer.

To strike (something) repeatedly with force, to pound.

Source: wiktionary.org