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If it exists, it can play bad apple
Dude 1 : did you see that vid of someone playing Bad Apple on a calculator?
Dude 2: nah I saw it on a slice of volume
Dude 3 : it was on a flip book!
Dude 4 : I saw it on a pregnancy test
Dude 5 : literally rule 86: if exists it, can play bad apple
Rule 86 by Hu Tao February 28, 2023
Any and all buttons, valves, switches, latches, or anything else may be pushed or turned more than once until one is certain that all buttons, valves, switches, latches, etc, has been pushed at least once each.
Janes sees a panel with many buttons on it and pushes a random button before systematically going down the lines and pushing all of the buttons once. She Rule 86'd the panel.
Rule 86 by Korana February 2, 2009
In honor of the anime Initial D and its main protagonist car, the Toyota AE86 ("Hachi-Roku") Rule 86 states that every movable object on this planet has the ability to move in a way that is defined with the term "controlled slide" or in layman's terms: "If it exists, it can drift."
"Look at that iceberg, why is it moving sideways??"

"Rule 86, if it exists, it can drift"

"NANI?"
Rule 86 by Skattor August 28, 2017
If it exists, there's Eurobeat of it
"Is there a eurobeat version of hampsterdance?"
"Rule 86
Rule 86 by FluxJoint November 23, 2022
A rule where when something has two colors, and has a screen, can play Bad Apple

Examples:
1. Playing Bad Apple on a TI-84 calculator
2. Playing Bad Apple on a flipbook
3. Black MIDI Playing Bad Apple 3.5 Million in Piano from Above (i5-8350U Legit Run)
A: Guys i saw Bad Apple on a calculator!
B: I saw it on Piano from Above with 5.1 million notes!
C: Oh well? See Bad Apple!! Black Hole Mode
B: WHAT?!? 78 MILLION NOTES????? HOW IS THAT POSSIBLE???!!!??
C: By merging other Black MIDIs about Bad Apple
B: IT CANT BE. RULE 86 IS ALSO ON BLACK MIDI.
Rule 86 by Bluetext6572 March 13, 2026

Rule 86 Paragraph 4 of the Man Code 

Rule 86 Paragraph 4 of the Man Code states, "If an adequately attractive female is within your presence, you are obligated to ask to view said female's breasts."
"Hello Miss. By Rule 86 Paragraph 4 of the Man Code, you are adequately attractive, and as such, may I view your breasts?"