get off someone’s back

get off (one's) back

To stop nagging or pestering one about something. Often said as an imperative. Would you please get off my back? I'm not going to the interview, and that's final! My uncle has finally gotten off my back about helping him out at the hardware store, thank goodness.
See also: back, get, off
Farlex Dictionary of Idioms.

get off someone’s back

and get off someone’s case
in. to stop annoying someone. (Compare this with get on someone’s case.) I’ve had enough of you. Get off my back! Get off my case! You aren’t my mother.
See also: back, get, off
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • get off (one's) back
  • get off my back
  • get off somebody's back
  • get off someone's back
  • off (one's) case
  • off case
  • nag
  • nag at
  • nag at (one)
  • pester (someone) for (something)