day where thing said are opposite march third
"i hate you mom"
"dont say that"
"its opposite day mom"
by Poop Fartius March 4, 2022
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Opposite day, on every october 13th opposite day comes into play.
hey suck my dick, yes master but you forgot its opposite day
by pizzaracks October 13, 2020
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On every october 13th, opposite day comes into play...
john. hey dude suck my dick
carlos.ok daddy but its opposite day
by pizzaracks October 13, 2020
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“Hey Ollie do I go to bed at 9:30
“No she doesn’t”

“See shaniya it’s Opposite Day
by November 12, 2021
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Opposite Day. This day falls on: September 26, where you can say what ever you want, but it mean the opposite.
You: “hey wanna go on a bike ride?”
Sister: “no”
You: “so you do?”

Sister: “NO”

You: “but it’s Opposite Day!”
Sister : “fine let’s go”

Sister; *goes on bike ride with you*
by GabeDuncan September 26, 2021
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' hey do u know what day it is ? ' no what day is it ' opposite day !! '
by T4nda07 September 3, 2022
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CLEARANCE LEVEL 6 REQUESTED
ACCEPTED

ENTER LOG

Containment risk:
Keter
Description:
Opposite day is a paradoxical phenomenon where everything that exist is inverted to a sort of countered self. So every color would be inverted, the flow of time would be inverted, etcetera. Any notion towards an object with opposite day will mean that the concept will have permanently been altered. It is currently unknown how many concepts have been switched to current day knowledge.

Containment procedures:
Do not utilize the phrase "Opposite day" in any serious conversation. Utilizing the phrase with understanding of it's thaumaturgical powers should be immediately counteracted with the "Opposite day" to cancel out it's potential effects.

Addendum 1
8/17/1959

A terrorist impersonating American President Dwight E. Eisenhower utilizes the Opposite day phenomenon to cause chaos. Mild destruction caused.
Suspected inversions:
-The color of cashews
-The color of Saturn's northern hexagon formation
-A suspiciously high amount of school holidays

END LOG
Michael(9): "There's no school. It's opposite day!"
Sarah(31): "Well then Opposite day to whatever you just said.. You are going to school young man."
by noteast July 3, 2023
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