from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A metasyntactic variable, similar to foo and bar.
- interj. A word (which may or may not be "fnord" itself) commonly held to be invisible to the conscious mind, but subliminally causing a sense of unease or sudden anger when encountered. So used in the Illuminatus! trilogy.
- interj. A word defined as having no definition.
A neologism from the Principia Discordia popularized in the Illuminatus! trilogy. (Wiktionary)