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

Other days

nail polish

Nail Polish Day
cat girl

Cat Girl Day
my little pony

My Little Pony Day
lisp

Lisp Day
promposal

Promposal Day
bow tie

Bow Tie Day
pumpkin

Pumpkin Day
lash

Lash Day
one

One Day
boba

Boba Day