Oops, it doesn't look like 'youth fun day' is a national day..

Other days

singles

Singles Day
polyamory

Polyamory Day
first love

First Love Day
cursing

Cursing Day
get funky

Get Funky Day
nae nae

Nae Nae Day
tulip

Tulip Day
self care

Self Care Day
slime

Slime Day
hot chocolate

Hot Chocolate Day