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

Other days

pampering

Pampering Day
pick me

Pick Me Day
believe

Believe Day
boyfriend

Boyfriend Day
bow tie

Bow Tie Day
bonang

Bonang Day
bounce

Bounce Day
unicorn

Unicorn Day
nail polish

Nail Polish Day
singles

Singles Day