April 21st

April 21st is the day you break up with your significant other.
Boyfriend: I’m breaking up with you

Girlfriend: Why I love you please don’t
Boyfriend: I’m sorry it’s April 21st which is National Breakup Day
by Pooperman696969420 April 21, 2022
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July 21st

NATional NAT Day. The one day of the year where Natalie has special time with a subject of her liking.
“Hey, Miles did you know today is July 21st?”
“No. What’s today?”
“It’s the day Natalie chooses between you and Owen to have some fun.”
by stankgingerluvr July 21, 2021
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May, 21st

IT'S THE OFFLICIAL NXCKGXAMER DAY WOOOOOOOOOOOOHOOOOOOOOOOOOO!!!!!!!
You: HEY IT'S THE NXCKGXAMER DAY MAY, 21ST!!!!
Anyone: WAT REALLY??? YAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAY!!!!!!!!!!
by Nick the anyone June 22, 2021
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21st october

A day where everything seems to go bad for everyone.
21st october
Person A: oh hey I had a really bad day today something terrible happened.

Person B: Yeah same, it was unexpected.

Person C: damn now thats strange, I've had the worst day too.
by whiterabbit101 October 21, 2019
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February 21st

Vsco 1: omg sksksks you know what today is?
Vsco 2: Yeh, national vsco girl day!
Vsco 1: and i oooop looove February 21st
by HyPeDoG November 13, 2019
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July 21st

If you were born on this day you are a little shit. It is national casandra-er-en-lille-lort day.
"Oh, Casandra, are you born on July 21st?" "Yeah" "Well you must be a little shit, then"
by denmegasejeostehund November 04, 2019
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21st century

The years from 2000 to 2999. The 21st century is often used to express how up to date people believe they are or something is.
Example 1: "I only listen to music from the 21st century - none of that old school crap."

Example 2: "I'm a 21st century teen. How do you expect me to relate to old people?"
by MusicianChick April 12, 2006
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