be pushing 40, 50, etc.

be pushing (an age)

To be approaching a particular age. I was never sore after my workouts until I was pushing 40.
See also: pushing
Farlex Dictionary of Idioms.

be ˌpushing ˈ40, ˈ50, etc.

(informal) be nearly 40, 50, etc. years old: My grandmother’s pushing eighty but she’s as fit as ever.
See also: pushing
Farlex Partner Idioms Dictionary
See also:
  • be pushing (an age)
  • 60
  • pushing
  • push by
  • dumbhead
  • push out
  • Flathead
  • dumb-dodo
  • dumb-dumb
  • dum-dum