Oops, it doesn't look like 'rupert brown nose day' is a national day..

Other days

nae nae

Nae Nae Day
slime

Slime Day
special education

Special Education Day
carpenters

Carpenters Day
comfy

Comfy Day
hoodie

Hoodie Day
kale

Kale Day
boy friend

Boy Friend Day
reading

Reading Day
ruby

Ruby Day