If a criticism or warning is water off a duck’s back (or like water off a duck’s back) it has very little effect or makes no impression at all.
Examples of use:
1. You can’t hurt me with your insults: they’re water off a duck’s back.
2. I’ve warned him about getting into debt, but its like water off a duck’s back.
3. Carol is always getting cross with her son for being rude, but he doesn’t listen – her words are water off a duck’s back.
Have you heard this idiom in use?
Can you use it in a sentence in the comments?
Image © Mark Robinson
