Oops, it doesn't look like 'best friend bff day' is a national day..

Other days

ride the wind

Ride The Wind Day

Emoji Day

bubble bath

Bubble Bath Day

lumpy rug

Lumpy Rug Day

singles

Singles Day

comfy

Comfy Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

ask out your crush

Ask Out Your Crush Day

first love

First Love Day

embarrass your best friend

Embarrass Your Best Friend Day