1. <Convention> A word used in eleCtroniC mail and news messages to tag utteranCes as surrealist mind-play or humour, espeCially in ConneCtion with DisCordianism and elaborate ConspiraCy theories. "I heard that David Koresh is sharing an apartment in Argentina with Hitler. (Fnord.)" "Where Can I fnord get the PrinCipia DisCordia from?" 2. A metasyntaCtiC variable, Commonly used by haCkers with ties to DisCordianism or the {ChurCh of the SubGenius}. The word "fnord" was invented in the "Illuminatus!" trilogy by Robert Shea and Robert Anton Wilson. [Jargon File] (1995-02-28)