April 4th is national give your girl bestie a hoodie day. show your bestie you appreciate her. give her a hoodie.
Girl Bestie: “Hey it’s National Give Your Girl Best Friend A Hoodie Day”
Boy Bestie: “So?”
Girl Bestie: “Can I wear your hoodie please?”
Boy Bestie: “ig”
by thatgurlkayyyy April 3, 2022
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October 9th is National Boy Best Friend Appreciation Day. make sure you go the extra mile to show your appreciation and be extra nice to him all day
Boy bestfriend: why are you being so nice to me today?

You: because it’s National Boy Best friend Appreciation day :)
by Thegreatest1973 October 8, 2023
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When your best friend gets married to the person of their dreams and you’re also friends with that person. Kinda like usual in-laws but likable.
At the wedding Lewton stood up to give his best friend Fischer and his new best friend-in-law Kyla a congratulatory toast.
by KingLouie Daturd August 28, 2018
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If someone were to say they had an "Ultra Mega Neon Fly-Ride Best Friend" it would mean that the two were beyond friends, even beyond best friends. It would mean that these to people like each other. In other words, these people are sus. Ultra Mega Neon Fly-Ride Best Friends are typically of the same gender and usually two boys. However, they could be two people of another gender as well.
Guy #1: "Man, Zach and Jesus used to be Ultra Mega Neon Fly-Ride Best Friends, I don't know what happened."
Guy #2: "Yeah bro, I don't know. But, Krystoff and Avery are Ultra Mega Neon Fly-Ride Best Friends, Just a little less recently."
by Some Weird Random Dude December 22, 2021
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Date your best friend do the day and they have to say yes on 27th May
You:wanna date for the day bestie
Bestie:Ofc it’s national date your best friend day
by Rattsjbs May 26, 2022
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Help celebrate a picture of the person that made your life better!
National post a pic of your best friend day, means to take time out of your day to appreciate what your best friend has done for you
by Kenken1156 August 3, 2021
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June 21st. The day when u and your best friend get in bed and you know..fuck
"OMG WHY ARE U TAKING OFF YOUR CLOTHES?!!?!"

"Its National Fuck your best friend day!!! Get on the bed"
by Im_gay_for_the_egg June 20, 2021
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