When someone is constantly defying anyone who doesn't agree with them
Every time someone confronts or opposes my friend lisas view she automatically go into her oppositional defiance disorder mode
by Manuel59manuel July 23, 2021
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A day that is on December 10th where anything that happens will be the opposite of what happens
"Hey did you know discord mod day is coming up"
"Do you mean Opposite Day?"
"Oh shit."
by Eeveeboom December 9, 2020
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A day on December 10th where the opposite is to be expected
"Hey did you hear that Discord Moderator Day is coming up" Said Person 1
"Do you mean Opposite Day?" Said Person 2
by Eeveeboom December 8, 2020
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