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

Other days

stress awareness

Stress Awareness Day
hiv awareness

Hiv Awareness Day
believe

Believe Day
lumpy rug

Lumpy Rug Day
bow tie

Bow Tie Day
comfy

Comfy Day
china

China Day
ormille

Ormille Day
ruby

Ruby Day
lisp

Lisp Day