Water off a duck's back – English Idiom – Online English Lessons

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