be at it hammer and tongs

be at it hammer and tongs

To do something or perform some task with tremendous fervor, determination, energy, or forcefulness. An allusion to the force with which a blacksmith strikes metal using a hammer and tongs. What started as a minor disagreement has escalated into a heated argument, and the two have been at it hammer and tongs ever since.
See also: and, hammer, tongs
Farlex Dictionary of Idioms.

be/go at somebody/something ˌhammer and ˈtongs

(informal) do something, especially argue or fight, with a lot of energy and noise: The boss went at me hammer and tongs. I’ve never seen him so angry. The couple in the flat upstairs are always at it hammer and tongs.This idiom refers to the loud noise made by a blacksmith at work when he is making horseshoes. He uses a pair of tongs to hold the hot iron and a hammer to beat the iron into the shape of the shoe.
See also: and, go, hammer, somebody, something, tongs
Farlex Partner Idioms Dictionary
See also:
  • go at it hammer and tongs
  • go at it tooth and nail
  • hammer and tongs
  • hammer and tongs, go at it
  • fight (someone or something) hammer and tongs
  • fight hammer and tongs
  • on the attack
  • temper (something) with (something)
  • temper with
  • strike out at (something or some place)