May 10th is the day where you appreciate your girl best friend.
Person 1: What day is it today?
Person 2: May 10th
Person 1: Oh shit, it’s girl best friend day!
by TwistedChair May 10, 2022
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October 15th the day when you do things for you best friend to show you appreciate them and if the don’t interact back sorry but y’all are not real friends hope your October 15th is great
I hope Kiki interacts back on national best friends day because if she don’t we are real friends
by Unicorn.eat.glue October 10, 2019
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On April 4th we all celebrate our best friends we’ve had since we are little! The best friends we’ve shared many memories and continue to share memories with, post them and appreciate them!!
“Me and Lala have been besties since 1st grade!!!”

“Omg today is Childhood best friend day ! Go get her flowers to show you appreciate her!”
by ahotmf April 4, 2023
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A special day to celebrate your waifus and best girls
Date: September 17th
Guy: Why are u walking around with body pillows and and cardboard cutout of anime characters?
Me: It’s national best girl day
by A hero for fun May 25, 2020
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October 15 is the day were you honor you best friend and give them gift call them do something to show them you love them and if they don’t inter act back they are not you really best friend so hope you have a good October 15
I am going to get keisha a bag of candy for national best friends day I hope she interacts back
by Unicorn.eat.glue October 10, 2019
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On March 20, thank your best friend for being a crack head and for all the stuff you have gone through, without them you wouldn't be yourself
Me: Oh wow thank you McKenzie, Ely and Aiden for being my best friends..

Then: say what now?

Me: it's national best friend day
by Chickentendiessoundgoodrn December 7, 2019
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October 15th the day when you do things for you best friend to show you appreciate them and if the don’t interact back sorry but y’all are not real friends hope your October 15th is great
I hope Kiki responds back to national best friends day, Bc if she doesn’t, she isn’t a true best friend.
by jandmine January 16, 2020
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