a whole day where you don't talk about "Anti Fur Day" or whatever the fuck is going on anymore.
Person 1: "Oh crap! Tomorrow's Fur Day-"
Person 2: "and today is Shut The Fuck Up day! so keep it down with those holidays, will ya?!"
by NastyMoth December 19, 2020
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Shut The Fuck Up Day takes place on April 17 where everyone stops talking, and whoever talks is automatically a homosexual.
by TheEditorOfTheWorld April 16, 2021
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