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

Other days

cursing

Cursing Day
pampering

Pampering Day
tulip

Tulip Day
cuddle up

Cuddle Up Day
offer

Offer Day
blanket fort

Blanket Fort Day
china

China Day
pick me

Pick Me Day
cat girl

Cat Girl Day
boy friend

Boy Friend Day