Oops, it doesn't look like 'shit your ass day' is a national day..

Other days

mean girls

Mean Girls Day
brow

Brow Day
get funky

Get Funky Day
ruby

Ruby Day
nae nae

Nae Nae Day
lumpy rug

Lumpy Rug Day
martini

Martini Day
bonang

Bonang Day
buddy

Buddy Day
stud

Stud Day