Oops, it doesn't look like 'slap your crushes ass day' is a national day..

Other days

boba

Boba Day
ask out your crush

Ask Out Your Crush Day
polyamory

Polyamory Day
gallery

Gallery Day
ruby

Ruby Day
book

Book Day
gum

Gum Day
bow tie

Bow Tie Day
one

One Day
kiss a ginger

Kiss A Ginger Day