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

Other days

special education

Special Education Day
lisp

Lisp Day
cuddle up

Cuddle Up Day
lumpy rug

Lumpy Rug Day
self care

Self Care Day
carpenters

Carpenters Day
ponytail

Ponytail Day
get funky

Get Funky Day
kale

Kale Day
artists

Artists Day