hill to die on

hill to die on

Something so important that it must be dealt with, despite the difficulty and potential problems that could result. In negotiations with your new company, your salary must be your hill to die on—accept nothing less than the amount you want!
See also: die, hill, on
Farlex Dictionary of Idioms.
See also:
  • be able to (do something) in (one's) sleep
  • be able to do something in your sleep
  • do (something) blindfolded
  • do blindfolded
  • half the trouble of (something)
  • could (do something) with one hand tied behind (one's) back
  • able to do (something) with (one's) eyes closed
  • able to do with eyes closed
  • able to do (something) standing on (one's) head
  • able to do blindfolded