you'll often see this on stan twitter or anywhere because most of celebrities are known as "best boys". why? because we use the word to say someone is the best.l and who wouldn't want to call their fav the best.
by amirawithluv September 24, 2020
Get the best boymug. The day that you spend with your boy bestfriend and celebrate the time you’ve been together and share great memories and funny ones and have a good laugh
Stranger: What day is it?
Bestfriend 1: didn’t you hear?
Stranger: no..?
Bestfriend 1: Well... ITS NATIONAL BOY BEST FRIEND DAY!!! You should go celebrate
Bestfriend 1: didn’t you hear?
Stranger: no..?
Bestfriend 1: Well... ITS NATIONAL BOY BEST FRIEND DAY!!! You should go celebrate
by National Boy Bestfriend Day December 1, 2019
Get the National Boy Best friend Daymug.