Flagrant Error 

Defenition:
When using Microsoft Windows and a fatal error occurs, the user will see a blue screen displayed. This is a Flagrant Error.

Origin:
Originally coined by Strong Bad when having problems with his computer.

Synonyms:
Blue Screen of Death
Blue Screen

Flagrant Error by Mark Johnson October 8, 2004

Typographical error 

When your associate is so dull, that they point out your spelling mistakes.

Ah look! I've just spotted a typographical error...

Typographical error by YouCan'tSpell4Sh!t January 31, 2018

trial and error 

A systematic means of determining a solution to a problem, often involving a large amount of time; often involves eliminating possibilities.

John, you need to use trial and error to determine the answer for #5.

trial and error by madison7667 May 13, 2004

fatal error 

One careless mistake wrecking an otherwise flawless execution of some mischievous behavior.

Executor: "My parents would have never known my boyfriend was staying the night because he crept in really quietly but then my mom looked out the window and saw his truck!"
Friend: "Aw Fatal Error!"

fatal error by WirelessG August 12, 2009

school boy error 

school boy error is when you make a simple yet stupid mistake. you feel stupid after you've done it.

"i just locked my keys in the house!"
"haha, school boy error!!"

school boy error by Jak Bucket September 3, 2005

sfu error 

stupid fuckin user error

Katie is gonna be late cuz of a sfu error with setting the time on her phone.

sfu error by gjunk November 27, 2010

proximity error 

When in close proximity to one you care deeply about, or just purely have the raging hots for, you make insanely stupid and inexplicable mistakes.

Lori, I know I really eff'd up our dinner order...but every time I'm near you I suffer major proximity errors! I can't help it...it's what you do to me!

proximity error by jfwordsmythe December 12, 2016