The hardest fuckin challenge. not whacking it for twenty one days!! if u handle this challenge u got a horse cack
Eddy: Why is Ron always horny?

Kev: Didn't he tell you? He's on that 21 Day Challenge!!
by Hugecack!!!!! January 4, 2011
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After a movie has been released for 3 weeks (21 days) everyone who has seen said movie has liberty to discuss said movie without fear of being bashed for spoilers.
Guy 1: Bruh! You spoiled the movie! I ain't seen it yet
Guy 2: 21 Day Rule bro, you had time to see it
by Toniiiii March 11, 2017
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September 10th 2021 is the day the 21 kid is warning us about. We don't know what will happen, but be ready.
Person 1: "you stupid"
Person 2: "No I am not"
Person 1 "What's 9+10"
Person 2: "21 Kid Day"
by CreativeName5 January 2, 2021
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its kinda self explanatory
its appreciation day for Valerie Yen Nhi Nguyen
because yes
val is great
GUYS IT'S VAL APPRECIATION DAY!! what's that when is it??? FEBRUARY 21ST!!! February 21 - Valerie Appreciation Day
by ROSE!!!! February 21, 2023
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A day where everyone has to have sex with a Latino!
-Hey girl you it’s the 21st right
-Yeah I know I called Juanito up he’s coming to my place tonight
-International Have Sex With A Latino Day (21 of November) gurll
by casinocolombiano November 13, 2019
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