404

[blacknomi]

four-oh-four, 404 [Show phonetics]
adjective [after verb] HUMOROUS DISAPPROVING
describes someone stupid who does not know how to use email and computers:

Origin would be?

[bmo]

It is an HTTP error code. Thanks for the post again, I am learning something new.

404

"<abuse> Someone who's clueless. From the World-Wide Web
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".

404 is one of the standard response codes of the telnet
protocol on which the web's HTTP is based."

[Tdol]

I've heard 386 used for someone who's a bit slow, from an ancient computer chip.

[blacknomi]

Thanks, BMO.
and the 286. 8)

[Tdol]

Me? I'm an 8086.

[blacknomi]

Whaaa? Do tell. 8)