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

Other days

kale

Kale Day
lash

Lash Day
stud

Stud Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
nae nae

Nae Nae Day
believe

Believe Day
brow

Brow Day
gallery

Gallery Day
carpenters

Carpenters Day