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

Other days

slime

Slime Day
stud

Stud Day
aloxolt

Aloxolt Day
boba

Boba Day
boy friend

Boy Friend Day
nae nae

Nae Nae Day
first love

First Love Day
pick me

Pick Me Day
kale

Kale Day
my little pony

My Little Pony Day