Oops, it doesn't look like 'Phat L day' is a national day..

Other days

camera

Camera Day
get funky

Get Funky Day
mean girls

Mean Girls Day
blanket fort

Blanket Fort Day
boy friend

Boy Friend Day
slime

Slime Day
brow

Brow Day
ormille

Ormille Day
nae nae

Nae Nae Day
nail polish

Nail Polish Day