Dog whistle used by racist neo nazis. The acronym TND means Total N*gger Death and totally nice day is used to disguise the acronym.
Neonazi: Go have a Totally Nice Day

Sane person: Go fuck yourself
by 0therwise June 26, 2023
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On December 17th you have to treat your tallest friend nicely and do anything they want
"Today is Treat your tallest friend nicely day."
by FudgeFortnite December 16, 2021
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Every month on the 16th is "Be Nice To Alexis Day". Every person has to be nice to someone named Alexis for the whole day and must do everything Alexis says.
"Hey, today is june 16th!"
"What's june 16th?"
"It's Be Nice To Alexis Day!"
"Oh wow, let's go and be nice to Alexis now!"
by JAMIEBABIERABIEHABIE June 15, 2021
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BE NICE TO HAYDEN DAY IS ON FEBRUARY 3RD IF YOU ARE MEAN TO HAYDEN ON THIS DAY FUCK YOU :)))))
Anna: Hayden is such a bitch
Nina: You can’t say that, it’s be nice to Hayden day.
by Not Cishet October 28, 2021
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This day you have to be nice to Jennifer and the day is January 24. If you’re mean to Jennifer on this day ur gay, fatherless, and have no life
“Yo is that Jennifer?”

“Yes bro u can’t be mean to her today. it’s Be nice to Jennifer day

All right bro”
by Oompaloompasucker._. January 22, 2023
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