Oops, it doesn't look like 'fat juicy coochie day' is a national day..

Other days

gum

Gum Day
cuddle up

Cuddle Up Day
latina equal pay

Latina Equal Pay Day
china

China Day
lash

Lash Day
bow tie

Bow Tie Day
promposal

Promposal Day
lumpy rug

Lumpy Rug Day
offer

Offer Day
prosecco

Prosecco Day