Oops, it doesn't look like 'Stay Yo Ass In The House day' is a national day..

Other days

brow

Brow Day
one

One Day
ormille

Ormille Day
cat girl

Cat Girl Day
coffee

Coffee Day
singles

Singles Day
hoodie

Hoodie Day
youth

Youth Day
pampering

Pampering Day
gum

Gum Day