be fighting fit

be fighting fit

To be in very good health. Primarily heard in Australia. My father has never been sick a day in his life—he's truly fighting fit. Now that I'm going to the gym regularly, I hope to be fighting fit soon.
See also: fight, fit
Farlex Dictionary of Idioms.
See also:
  • sick in the head
  • all oak and iron bound and *sound as a barrel
  • be on the danger list
  • take sick
  • (as) right as a trivet
  • at the point of (doing something)
  • get sick
  • (as) sick as a pig
  • be (as) sick as a parrot