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

Other days

kale

Kale Day
ruby

Ruby Day
self appreciation

Self Appreciation Day
slime

Slime Day
my little pony

My Little Pony Day
girl friend

Girl Friend Day
healing

Healing Day
coffee

Coffee Day
lisp

Lisp Day
ask out your crush

Ask Out Your Crush Day