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

Other days

blanket fort

Blanket Fort Day
nae nae

Nae Nae Day
slime

Slime Day
brow

Brow Day
get funky

Get Funky Day
kale

Kale Day
self appreciation

Self Appreciation Day
healing

Healing Day
unicorn

Unicorn Day
offer

Offer Day