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

Other days

hiv awareness

Hiv Awareness Day
carpenters

Carpenters Day
blanket fort

Blanket Fort Day
offer

Offer Day
hannah

Hannah Day
brow

Brow Day
boy friend

Boy Friend Day
ruby

Ruby Day
gum

Gum Day
kiss a brunette

Kiss A Brunette Day