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

Other days

believe

Believe Day
martini

Martini Day
reading

Reading Day
bow tie

Bow Tie Day
ask out your crush

Ask Out Your Crush Day
singles

Singles Day
brow

Brow Day
nae nae

Nae Nae Day
offer

Offer Day
china

China Day