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

Other days

coffee

Coffee Day
brow

Brow Day
self care

Self Care Day
donate your hair

Donate Your Hair Day
unicorn

Unicorn Day
artists

Artists Day
hoodie

Hoodie Day
gum

Gum Day
blanket fort

Blanket Fort Day
nail polish

Nail Polish Day