A day on which you achieve absolutely nothing, you don't even get changed out of the clothes you slept in.
"Hey, what'd you do yesterday"
"I had a Pj day, I achieved absolutely nothing, I woke up, watched 16 episodes of The Walking Dead and went back to sleep, I don't even think I ate anything"
by Ciport June 30, 2014
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Pj day is a day u wear pjs all bay under any circumstance
by pÖtÄtÖ Krysta December 14, 2019
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national pj is pj's bday,, which means they get a whole day for themself for being the best lover <3
Guy 1: "hey today is national pj day!"
Guy 2: "wtf is that"
by kentoship June 9, 2021
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