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

Other days

pumpkin

Pumpkin Day
youth

Youth Day
slime

Slime Day
nail polish

Nail Polish Day
ruby

Ruby Day
ride the wind

Ride The Wind Day
carpenters

Carpenters Day
nae nae

Nae Nae Day
promposal

Promposal Day
bow tie

Bow Tie Day