Oops, it doesn't look like 'fuck my life day' is a national day..

Other days

unicorn

Unicorn Day
brow

Brow Day
one

One Day
self care

Self Care Day
lisp

Lisp Day
martini

Martini Day
self appreciation

Self Appreciation Day
gum

Gum Day
frozen yogurt

Frozen Yogurt Day
girl friend

Girl Friend Day