Can be either:
1) A derogatory term used by an internet/computer techie, to describe a non-techie.
2) A derogatory term used by non-techies to poke fun at internet/computer techies.
Originates from an internet error message.
1) That 404 doesn't know HTML! And he only has 64 megabytes of RAM!
2) Look at the 404 all by himself... his only friend is his laptop.
Error returned when a server cannot find the requested page.
Once upon a midnight dreary, while I websurfed, weak and weary,
Over many a strange and spurious website of 'hot chicks galore',
While I clicked my fav'rite bookmark, suddenly there came a warning,
And my heart was filled with mourning, mourning for my dear amour.
"'Tis not possible," I muttered, "give me back my cheap hardcore!"
Quoth the server, "404".
Sorry, this definition could not be found.
What's up with this new character limit thing, anyway? It pisses me off.
You are seeing this definition because Urban Dictionary thought it would be a good idea to make this their 404
I got the 404
Someone who's clueless. From the World Wide Web error message "404 Not Found," meaning that the requested document could not be located.
"Don't bother asking him... he's 404, man."
Area code for those inside the Atlanta city limits; Person living "inside the perimeter," as it were, as opposed to 770, the metro area code, for the suburbs... Also a term of pride tossed about casually when representin' the ATL.
Is she 404 or 770?
404, A-Town all da way.
The Error, Which A Server Gives You When The Requested Page Is Unavailable Or Doesn't Exist:
Basically A Broken Link as Such...
webpage not at this address.
From internet error 404 - File Not Found
You step in the stream,
But the water has moved on.
This page is not here.