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

Other days

book

Book Day
nail polish

Nail Polish Day
pick me

Pick Me Day
cuddle up

Cuddle Up Day
nae nae

Nae Nae Day
hot chocolate

Hot Chocolate Day
law

Law Day
brow

Brow Day
boy friend

Boy Friend Day
ormille

Ormille Day