Oops, it doesn't look like 'Hot Dog Water Polo day' is a national day..

Other days

embarrass your best friend

Embarrass Your Best Friend Day
blanket fort

Blanket Fort Day
gum

Gum Day
boy friend

Boy Friend Day
girl friend

Girl Friend Day
polyamory

Polyamory Day
my little pony

My Little Pony Day
eat what you want

Eat What You Want Day
boba

Boba Day
tell ur crush you like them

Tell Ur Crush You Like Them Day