adj. Out of touch or ignorant.

Example Citation:
It’s rather silly that teen flicks are racking up huge box office numbers and Hollywood’s acting like it’s some earth-shattering phenomenon. Studio execs, you’re so 404.
—“Gusto,” The Buffalo News, March 5, 1999

Earliest Citation:
Someone who‘s clueless. From the World Wide Web error message “404, URL Not Found,” meaning that the document you’ve tried to access can’t be located. “Don’t bother asking him ... he’s 404, man.”
—Gareth Branwyn, “Jargon Watch,” Wired, January 1, 1995

Related Words: