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*
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

Opposite Day Theory states that Opposite Day is not merely a day. Instead, it supposes that Opposite Day is fluid and triggers when it is invoked. If they wish, debaters may invoke opposite day for exactly the next eight minutes by quoting the following: Three, Two, One, Go!
"The order is twelve off with four hidden a-specs, the rules of Risk: The Game of Global Domination, Drop the Judge, stabbing theory, the N-word repeated for two minutes, and Opposite Day theory.
by ougrhough September 12, 2025

by retro boy November 13, 2020

by mynameisamazingwhat December 22, 2017

by Jake Greenwood December 8, 2020

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
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."
Sarah(31): "Well then Opposite day to whatever you just said.. You are going to school young man."
by noteast July 3, 2023
