Brits do the Hokey Cokey, not the Hokey Pokey. When the Hokey Cokey is brought up in a room of them, they all say it with their regional accents. Northerners will be ridiculed mercilessly for their o's, but then they usually are. Some will demonstrate and sing. At least one person will make the joke about whether this is what it's all about.
I think it must be the circular queueing that excites them.