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

Other days

hoodie

Hoodie Day
aloxolt

Aloxolt Day
china

China Day
kale

Kale Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
pampering

Pampering Day
believe

Believe Day
lash

Lash Day
ask out your crush

Ask Out Your Crush Day