Oops, it doesn't look like 'down lowtoo slow day' is a national day..

Other days

pampering

Pampering Day
lisp

Lisp Day
hiv awareness

Hiv Awareness Day
lash

Lash Day
buddy

Buddy Day
lumpy rug

Lumpy Rug Day
china

China Day
nae nae

Nae Nae Day
blanket fort

Blanket Fort Day
bounce

Bounce Day