Get your nose out of my business!

get (one's) nose out of (someone's) business

To stop involving oneself in an intrusive or nosy manner into something that is not one's business or responsibility. I wish my neighbors would get their noses out of our business and just leave us alone! Liam, get your nose out of your brother's business—he can manage well enough on his own.
See also: business, get, nose, of, out
Farlex Dictionary of Idioms.

Get your nose out of my business!

and Keep your nose out of my business!
exclam. Mind your own business and leave me alone. Get your nose out of my business! This is not your affair. I’ll thank you to keep your nose out of my business!
See also: get, nose, of, out
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • get (one's) nose out of (someone's) business
  • get nose out of business
  • put (one's) nose (in) where it's not wanted
  • put (one's) nose in(to) (something)
  • put nose in
  • put one’s nose in
  • put one’s nose in where it’s not wanted
  • stick (one's) nose in(to) (something)
  • stick one’s nose in
  • stick one’s nose in where it’s not wanted