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

Other days

hoodie

Hoodie Day
cat girl

Cat Girl Day
comfy

Comfy Day
lash

Lash Day
stud

Stud Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
ride the wind

Ride The Wind Day
pampering

Pampering Day
lumpy rug

Lumpy Rug Day