Oops, it doesn't look like 'suck his dic till he nut day' is a national day..

Other days

Chocolate Milkshake Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Lisp Day

Get Funky Day

Carpenters Day

Youth Day

Slime Day

Tell Ur Crush You Like Them Day

Lumpy Rug Day

First Love Day