The idiom, a P super, was first used to describe the thick choking smogs that settled over London caused by lots of people burning fossil fuels in a close vicinity as early as 1200. Smog is a portmanteau word, a mix between the word smoke and the word fog. In fact, since the clean air act of 1952, an act of Parliament, a law which was brought in to clean up the air in London ever since then, we haven't really had that kind of smog or fog that we used to have.
Finally, here is the third part of this series about English slang words and expressions that most British people know, but which will probably confuse almost everyone else! I started this series in 2019. It's only taken me nearly 4 years to get round to finishing it. Learn loads of slang and culture, plus a bit of British history too.
Vocabulary and transcript available on the episode page here https://wp.me/p4IuUx-aj8
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