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1. school boy error
Making the most basic of simple mistakes, worthy of ridicule, particularly when you should know better
School boy error!!
I just made a school boy error!
He school boyed!
by 4T Wizard Dec 6, 2004 add a video
2. 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!!"
by Jak Bucket Aug 10, 2005 add a video
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