no skin off (one's) back

no skin off (one's) back

No cause of concern or interest to one; no source of difficulty, threat, or risk. Hey, it's no skin off my back if you want to get a tattoo. I'm just saying that it's something you may regret someday. A: "Do you mind if I store some of my stuff in your garage for a while?" B: "Eh, it's no skin off my back."
See also: back, no, off, skin
Farlex Dictionary of Idioms.
See also:
  • no skin off (one's) nose
  • no skin off (one's) teeth
  • no skin off teeth
  • be no skin off (one's) back
  • be no skin off (one's) nose
  • it's no skin off my, your, his, etc. nose
  • no skin off one's nose
  • be no skin off (one's) teeth
  • it's no skin off my nose
  • no skin off my nose, it's/that's