Operator Error 

When somebody is melted by 77% sulphuric acid for not following a "normal", "well established", albeit unwritten working practice.

He lost half his wanking arm due to operator error

Operator Error by Bald_as_hell July 12, 2018

operator error 

When a person encounters a problem on a computer, calls for help, and finds out it's their fault. Also called a code 18.

Person 1: My CD drive won't open! :'(
Person 2: You're computer's off.
Person 1: Why does that matter?
Person 2: Wow, operator error!

operator error by P.h.i.l June 25, 2005

Operator Error 

When someone believes there is something wrong with their computer and it turns out the user is causing the problem.

Jordan: My computer says Wifi is not available!
Jon: Operator Error

Jordan: Why won't the printer print?
Kyle: Operator Error

Operator Error by Operatorerror November 24, 2014

Operator Error 

When something goes wrong that you have little control over (Keven’s favorite phrase.)

me: why are these parts bad
keven: operator error

Operator Error by cherpdaherp March 2, 2023

Operator Error 

When a person encounters a problem on a computer, calls for help, and finds out it's the Dumbass Contractor's fault for sending a corrupt file.

IT - Hello

Employee #1 - Hi, Im trying to print a file, but the printer keeps giving me an error message.

IT - OK, we will take a look.

</ 2 min. pass>....

IT - Hello

Employee #1 - Sorry, its the file. I tried sending to another printer and got the same error. Just realized the contractor sent me a squirrely PDF thats 25MB for some reason. My bad, operator error.

Operator Error by Employee #1 December 15, 2010

operator headspace error 

A term commonly used by boots on the ground U.S. Army Communication Personnel during the Vietnam War, the Radar O’Reillys of that era. Radio Lingo for any one off error possibly attributable to radio operators themselves.

Communications resume after a momentary disconnect.

Radio Operator 1.: Sorry man, I lost you for a minute. Operator headspace error.
Radio Operator 2.: Heh heh.

operator headspace error by ImportantHousecat August 25, 2022