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

Other days

boyfriend

Boyfriend Day
lisp

Lisp Day
kiss a brunette

Kiss A Brunette Day
lumpy rug

Lumpy Rug Day
get funky

Get Funky Day
first love

First Love Day
mean girls

Mean Girls Day
buddy

Buddy Day
fiancee

Fiancee Day
boy friend

Boy Friend Day