1. used to say that someone does not care or does not have a strong opinion about something

1. He doesn’t care if | make the football team or not. It’s no skin off his nose.

2. Go if you like—it's no skin off my nose.

3. It's no skin off my nose if you don't take my advice.

4. She said it was no skin off her teeth if we wanted to sell the house.

5. It’s no skin off my nose if she wants to act that way.