1 definition by smart1.com

Today is the day to post your girl best friend and show her how much she means to you. Guys, post her and tag her in it so that everyone can know that SHE is your girl best friend. No ugly pictures of videos that she won’t like, only pretty ones she will enjoy! January 10 is the day!
john: yooo I just posted you on tiktok!
lacy: why?

john: January 10!!!
lacy: what does that mean?

john: its national post your girl best friend day!
by smart1.com January 9, 2021
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