Oops, it doesn't look like 'Get Your Tits Out For The Lads day' is a national day..

Other days

gum

Gum Day
law

Law Day
get funky

Get Funky Day
bow tie

Bow Tie Day
hoodie

Hoodie Day
polyamory

Polyamory Day
self care

Self Care Day
camera

Camera Day
mean girls

Mean Girls Day
one

One Day