Oops, it doesn't look like 'piss me the fuck off day' is a national day..

Other days

bubble bath

Bubble Bath Day
bow tie

Bow Tie Day
prosecco

Prosecco Day
camera

Camera Day
emoji

Emoji Day
blanket fort

Blanket Fort Day
nae nae

Nae Nae Day
ruby

Ruby Day
eat what you want

Eat What You Want Day
hiv awareness

Hiv Awareness Day