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Opposite Day
Not A Dude: I'm gonna punch you in the face! *prepares fist*
Not A Guy: But it's Opposite Day.
Not A Dude: OH NOOOO- *fist lands on own face*
— Definitely not asdfmovie 5

Click the edit button to end this old page.

Opposite day is not the special day when everyone does the opposite of what they would normally do. On opposite day, which everyone agrees happens on a specific day of the year, you always tell the truth and do everything the same as usual.

Do not compare Just The Introduction To The Opposites. Has nothing to do with Russian Reversal. Closely related to Not... Not!


Neither Anime nor Manga
  • Yotsuba spent a chapter, Yotsuba & the Restaurant, playing the Opposites Game with Dad, Asagi, and Torako. She capped it by calling Asagi "an ugly old hag" without warning...
  • In Anpanman, there is a character named Backwards Fairy who says the opposite of what he means. Baikinman has to watch what he says when he disguises himself as him.

Not Live-Action TV

Not Newspaper Comics
  • Calvin and Hobbes had a story arc based on this and the logical paradoxes inherent to it.
    Calvin: Is there a bee on my back or not?
    Hobbes: No.
    Calvin: Good, now I- OW!
    Hobbes: *Hiding in a tree* Remember, at midnight Opposite Day is over. Got it?
    Calvin: *Holding a baseball bat* 'Yes'.

Not Web Animation

Not Web Original

Not Western Animation
  • The Grim Adventures of Billy & Mandy. Hilarity Ensues from The Grim Reaper's unfamiliarity with the concept. A blatant logical paradox thwarts him at the last second.
  • SpongeBob SquarePants' first season includes half an episode titled after this trope.
  • In Drawn Together:
    Wooldorf: "Foxxy does not have a brain tumor. [all sigh with relief] I too would be relieved, were it not opposite day!"
  • The Simpsons episode, The Wife Aquatic has Homer believing it's opposite day. The captain of the ship that Homer is on tells the crew "It's not opposite day!" in response to Homer's shenanigans and one of the crew members responds with "That must mean it is opposite day!".
  • Every word spoken by Ramjet, Starscream's lying clone, in supplemental materials, from Transformers Animated.
  • The animated adaptation of Iznogoud featured an episode where Iznogoud attempted to take advantage of the Opposite Day to permanently take the Caliph's place.
  • There was a WordGirl episode whose plot revolved around this trope.
  • Archer had a bit in the episode "Viscous Coupling" where Cheryl believed they were in Opposite World, resulting in her mixed-up communications interfering with Archer's plan.

Not Real Life
  • There was a Feast of Fools in medieval Europe, in which the commoners could do as they pleased, and the Lord of Misrule outranked the nobility for the day. Monasteries celebrated this Feast by choosing a young monk to be abbot for the day, eating and drinking in chapel and replacing services with songs and dancing that bordered on blasphemous. An aspect of this survived until more recent periods as the "Boy Bishop" ceremony on St Nicholas's Day.
    • This was referenced in The Hunchback of Notre Dame, where Quasimodo was mistaken for one of the revelers in a horrible mask and then crowned King of Fools due to his ugliness. In the Disney movie this was depicted with the musical number "Topsy Turvy".

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