with both barrels

with both barrels

With extreme force or vigor. The phrase refers to the barrels of a gun. You have to know that she's going to come at us with both barrels if we fire her, so just be prepared. The team looked a bit lackluster in their first game, but they've come out with both barrels tonight.
See also: barrel, both
Farlex Dictionary of Idioms.

both barrels, with

With full force, as in When I scolded her for stealing, I let her have it with both barrels. This term alludes to firing with both barrels of a double-barreled shotgun. [Colloquial; mid-1900s]
See also: both
The American Heritage® Dictionary of Idioms by Christine Ammer.

with both barrels

with unrestrained force or emotion. informal
The barrels in question are the two barrels of a firearm.
See also: barrel, both
Farlex Partner Idioms Dictionary
See also:
  • both barrels, with
  • give (one) both barrels
  • give someone both barrels
  • carry a Chinaman on (one's) back
  • a woman's work is never done
  • blow (someone or something) to kingdom come
  • blow someone/something to kingdom come
  • blow to kingdom come
  • an ugly duckling
  • duckling