Oops, it doesn't look like 'boomin day' is a national day..

Other days

kale

Kale Day
self care

Self Care Day
lumpy rug

Lumpy Rug Day
comfy

Comfy Day
believe

Believe Day
cuddle up

Cuddle Up Day
blanket fort

Blanket Fort Day
kiss a brunette

Kiss A Brunette Day
boyfriend

Boyfriend Day
first love

First Love Day