Paul Rogers sent me an article entitled "Sex, aggression, and humour: responses to unicycling". There is simply no way I can begin to do this justice with an excerpt. You'll just have to click through and read the whole thing. It's about the difference in the responses of men from those of women to seeing a man riding a unicycle.
By the way, when the Brits say "clever" they usually mean genuinely smart. They don't typically use that word in an ironic way or with the connotation of being shewd or particularly witty. (And when they say "smart" they mean "stylish".)