A rule used by school fuckboys explaining how you can leave a classroom if the teacher doesn't show up in 15 minutes. The rule is obviously untrue.
Fuckboy: Hey guys, have you heard of the 15 Minute Rule?
Everyone else: No.
Fuckboy: You know, if the teacher doesn't show up in 15 minutes we can leave the classroom.
*INCREDIBLY LOUD SIGHING*
by Oatmeal_h March 29, 2018
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The rule that states you get to leave the office 15 minutes after your last boss leaves.
"Hey Ginny! It's time to leave! The boss has left the building! 15 minute rule in effect today!"
by Maladroite January 20, 2012
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