Sometimes just noodling around with google gives interesting results. I googled “square dancing fool” and found:

• A stock market article: Square Dancing! (Rule Breaker) May 3, 1999, which contains this call: “Swing yer stocks round and round, sell the nets and buy the Dows!”
• An article (Deciding to Choose Happiness) about why a self-acknowledged “dancing fool” doesn’t like square dancing and does like contra dancing. Here’s why he doesn’t like squares:
  

  I sensed I did not like squares — but I didn’t know why I didn’t like squares. I listened to others talk, and suddenly something someone said to me long ago became, now, my answer: “I don’t like to be told what to do.” That’s it. In a square, you are at the mercy of the caller — who calls whatever he chooses to call, and you cannot concentrate on dancing, on music. You must listen to a voice that is often so garbled, you don’t know what has been said. Of course I am stating a personal preference. I have had others tell me that what they like about squares is that hesitation — that not knowing, until you are told, what it is you will do. They see the challenge; I see the control.

  And why he does like contras:

  Contras move toward a Silent Dance: you don’t have to listen to anyone else, and you don’t have to listen to yourself. You can lose yourself in the music; the moves are on automatic pilot.

• A collection of posts to rec.folk-dancing on how contra dancing got its name: A Fool’s History of How Contra Dancing Got Its Name. Mantra dancing? Contrail dancing? Revolutionaries?