Oops, it doesn't look like 'name your poison name your poison day' is a national day..

Other days

azonto is acceptable

Azonto Is Acceptable Day
girl friend

Girl Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
embarrass your best friend

Embarrass Your Best Friend Day
tulip

Tulip Day
raise awerness of zeus

Raise Awerness Of Zeus Day
mean girls

Mean Girls Day
blanket fort

Blanket Fort Day
cat girl

Cat Girl Day
me

Me Day