cast stones against the wind

cast stones against the wind

To do something that is futile or will not work out. Trying to get an A in Chem class now, after blowing off your assignments all semester, is like casting stones against the wind. You're doomed! It's too late to repair my relationship with my mother. I might as well cast stones against the wind.
See also: cast, stone, wind
Farlex Dictionary of Idioms.
See also:
  • piss up a rope
  • piss in the wind
  • piss in(to) the wind
  • spit in(to) the wind
  • save (one's) breath
  • save breath
  • save one's breath
  • save your breath
  • quit
  • (someone) (just) doesn't know when to quit