Oops, it doesn't look like 'look like shit at school day' is a national day..

Other days

nae nae

Nae Nae Day
martini

Martini Day
lash

Lash Day
pick me

Pick Me Day
lumpy rug

Lumpy Rug Day
stud

Stud Day
gum

Gum Day
boyfriend

Boyfriend Day
ride the wind

Ride The Wind Day
law

Law Day