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

Other days

cursing

Cursing Day
get funky

Get Funky Day
one

One Day
brow

Brow Day
girl friend

Girl Friend Day
kiss a ginger

Kiss A Ginger Day
boba

Boba Day
buddy

Buddy Day
boyfriend

Boyfriend Day
gum

Gum Day