hit on all six

hit on all six

To work as efficiently and smoothly as possible. The phrase refers to the cylinders in the engine of a car. Primarily heard in US. Now that we've divided up the responsibilities, we're really hitting on all six! We'll have this project done in no time!
See also: all, hit, on, six
Farlex Dictionary of Idioms.
See also:
  • work on all cylinders
  • run on all cylinders
  • fire on all cylinders
  • firing/working on all cylinders
  • pur
  • purr
  • purr like a cat
  • purr like a kitten
  • fire on all four cylinders
  • groove