Oops, it doesn't look like 'stop being a dumb ass day' is a national day..

Other days

Hot Chocolate Day

Tell Ur Crush You Like Them Day

Pumpkin Day

Azonto Is Acceptable Day

Healing Day

Appreciate Yaself A Lil Extra Day

Embarrass Your Best Friend Day

Chocolate Milkshake Day

Singles Day

Lost Sock Memorial Day