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

Other days

polyamory

Polyamory Day
believe

Believe Day
martini

Martini Day
eat what you want

Eat What You Want Day
buddy

Buddy Day
tulip

Tulip Day
prosecco

Prosecco Day
bow tie

Bow Tie Day
pick me

Pick Me Day
ruby

Ruby Day