Oops, it doesn't look like 'sniveling dumbass day' is a national day..

Other days

Ponytail Day

Boy Friend Day

Tell A Fairytale Day

Mean Girls Day

Nae Nae Day

Tulip Day

Lumpy Rug Day

Cuddle Up Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Azonto Is Acceptable Day