Oops, it doesn't look like 'mean girls bf day' is a national day..

Other days

coffee

Coffee Day
kiss a brunette

Kiss A Brunette Day
buddy

Buddy Day
artists

Artists Day
bubble bath

Bubble Bath Day
ruby

Ruby Day
girl friend

Girl Friend Day
ponytail

Ponytail Day
cuddle up

Cuddle Up Day
bonang

Bonang Day