Oops, it doesn't look like 'Fuck Yo Relationship day' is a national day..

Other days

gum

Gum Day
lash

Lash Day
slime

Slime Day
cuddle up

Cuddle Up Day
latina equal pay

Latina Equal Pay Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
tulip

Tulip Day
cat girl

Cat Girl Day
boy friend

Boy Friend Day