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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july 29 when you tell girls there hot but there not 🥶
boy: sup hawty
girl: hey 🥰
boy: it’s opposite day bitch
by 2111savage July 29, 2022
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Opposite Day is on every Wednesday and Saturday if you say no you mean yes but you can chose when to do Opposite Day
Opposite Day is a strange but fun day
by ...GOOGLE February 27, 2021
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A day which is a opposite day and things react the opposite way.
Hey jim look its a opposite day!
by craqjiw July 19, 2021
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