Good news, everyone!
After all the street acting fun over the last week, I took a moment to drop Adam and Joe an email with my suggested name for the phenomenon. And guess what? They've officially adopted the term Pavement Panto™.
Quite right too.
If you listen to this week's podcast you can hear them discussing it, along with more very fine examples and a mention of your host, about 5 minutes in. Well done, everybody.