I first experienced this when I was living in Pusan, South Korea, in the mid 1990's. I remember sitting on the local bus, as you do in a foreign city, hoping like heck that I was going in the right direction for a change.
There were two women on the bus, sitting across and slightly down from each other. I could hear the word everybody used to call out to a lady in a shop, or restaurant, a general term. Suddenly, these two women broke into a heated conversation, arms were flung wide, moving rapidly, voices grew louder, and words were issued at such speed I couldn't distinguish sounds any more. I honestly thought there was going to be a girly fight between these two ladies as I cowered in a back seat. Lit-er-ra-ly!
Astonishment took over when two minutes later, (yes I was cowering and plotting escape for what felt like a life time), these two women chuckled together and bid farewell as one got off the bus and the other moved forward to get off at the next stop.