15
from the HTTP error "file not found on server" Extended to humans to convey that the subject has no idea or no clue - sapience not found. May be used reflexively
"Uh, I'm 404ing" means "I'm drawing a blank".
by Biohertz January 30, 2003
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16
Nothingness in place of desired information.

Antonym: 411
Father: Son, where are you going?

Son: I'm just going to hang out with my friends.

Father: Aw come on man! Don't give me the 404. Where are you going?

Son: YOU ARE SUCH A DORK!

(door slams)
by AbnormalBoy May 26, 2005
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17
Nobody home.
Couldn't find it.
Nothing there.
Got to my girlfriend's house last nite, but that was a 404.
Don't bother trying, it's a 404.
Uh, not a 404 again!?! I've been trying all day!
Peter is a complete 404.
by shonny March 05, 2007
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18
Not Found (No where to be found, ect.)
Orginating from internet page error 404 File Not Found
That Shit is 404
by DaMan November 28, 2002
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19
In the early days of www, at CERN in Switzerland, the fault-tracing team was based in room 404. That's where the problems went to.
by johnhms July 12, 2008
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20
A way for the computer to say:
Go fuck your self
It aint working
Suck my Mouse
I told 404!, Nigga i said 404, suck my 404
by JoshL January 06, 2006
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21
Geek slang for someone who is clueless or doesn't understand something. From the web page error "404 not found".
Don't ask Tim, he's 404.
by MawBTS May 02, 2007
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