Idiom of the day :- Faux pas

Usage, examples and definition of the Idiom :-

Embarrassing social mistake A : I had a drink with our new neighbor, Mrs. Zambuni. We talked about all sorts of things, even politics. I said that all politicians were liars and should be put in prison ! B : Oh dear you’ve made a huge faux pas. Her father has been a Member of Parliament for twenty-five years ! Meaning false step, this French expression only describes mistakes which are made in a social situation, for example, at a meeting or party.