look up any word, like blumpkin:
 
4.
WTF? Oh no, IIS got down still another time!
Uh oh! You stumbled upon a 404 error!
Either the page you are trying to access is not on our server, or you typed in the wrong URL.
by Uc@Nap December 23, 2004
 
1.
forums.filenotfound.org.

An internet message board that once was a spinoff of LUE but has since become something much more.
404 Error is the shit!
by Rei January 04, 2004
 
2.
An error that occurs when an internet page cannot be found; often occurs due to loss of internet connection or an update to the current site.
Hey Jim, I tried to get to that site you told me about but I must have typed the URL wrong because I got a 404 error.
by ShamrockGold November 04, 2003
 
3.
a webite spinoff of Life, the Universe, and Everything.
404 > Life, the Universe, and Everything.
by just a guy December 14, 2003