A granfalloon, in the fictional religion of Bokononism, is defined as a "false karass". That is, it is a group of people who affect a shared identity or purpose, but whose mutual association is meaningless.
For a sport festival, participants are randomly split into color groups.
Cat's Cradle is a satirical postmodern novel, with science fiction elements, by American writer Kurt Vonnegut. Vonnegut's fourth novel, it was first published in 1963, exploring and satirizing issues of science, technology, the purpose of religion, and the arms race, often through the use of morbid humor.
First edition hardback cover
A 1965 photograph of Vonnegut by Bernard Gotfryd