Oops, it doesn't look like 'Some Dumb Bull Shit day' is a national day..

Other days

first love

First Love Day
coffee

Coffee Day
kale

Kale Day
boy friend

Boy Friend Day
cursing

Cursing Day
lumpy rug

Lumpy Rug Day
gum

Gum Day
bounce

Bounce Day
offer

Offer Day
bow tie

Bow Tie Day