Where does Wikipedia say that it wasn't used in the intervening decades? That's not true. Look at the ngram link I supplied – it clearly was in use. What do you think it meant?
That hipster bullshit is getting tired. The stereotypes are stupid and it all comes down to berating people for what they wear – for whatever stupid reason. Why would that ever be cool?
All I see is lots of young people who know how to dress fashionable.
Oh, I see what you did there.