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

Other days

comfy

Comfy Day
tulip

Tulip Day
nail polish

Nail Polish Day
boy friend

Boy Friend Day
cat girl

Cat Girl Day
cuddle up

Cuddle Up Day
buddy

Buddy Day
lumpy rug

Lumpy Rug Day
one

One Day
martini

Martini Day