I'm aware that for many US citizens — and quite a few others — Ricky Gervais is like Marmite (a peculiarly British taste: dark-brown yeast extract, goo: you either love it or hate it — I love it), but if you want a low-down on a few bits of British slang...
https://www.msn.com/en-sg/news/other/ricky-gervais-teaches-you-british-slang/vi-BB14qnfF
