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

Other days

ormille

Ormille Day
self care

Self Care Day
singles

Singles Day
coffee

Coffee Day
tell a fairytale

Tell A Fairytale Day
hoodie

Hoodie Day
boba

Boba Day
healing

Healing Day
bow tie

Bow Tie Day
slime

Slime Day