Calvinball

Etymology
. From a fictional game without rules, played in the comic strip Calvin and Hobbes.

Noun

 * 1)  A deliberately absurd sport without rules.
 * 2) * 1996 June 17, Wayne Lockwood, "Nobody without health insurance is a slacker or a loser", Knight-Ridder:
 * And every time I would play serious tackle Nerf Calvinball out in the park somewhere, it played over and over in the back of my mind -- what would I do if I broke an arm?
 * 1) * 2002 March–April, Bret Rappaport and Joni Green, “Calvinball Cannot Be Played on This Court: The Sanctity of Auction Procedures in Bankruptcy”, Journal of Bankruptcy Law and Practice, volume 11, pages 189–212
 * 1) * 2002 March–April, Bret Rappaport and Joni Green, “Calvinball Cannot Be Played on This Court: The Sanctity of Auction Procedures in Bankruptcy”, Journal of Bankruptcy Law and Practice, volume 11, pages 189–212