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

Other days

pick me

Pick Me Day
book

Book Day
bubble bath

Bubble Bath Day
tulip

Tulip Day
ruby

Ruby Day
get funky

Get Funky Day
kiss a ginger

Kiss A Ginger Day
stress awareness

Stress Awareness Day
lisp

Lisp Day
first love

First Love Day