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

Other days

bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
cursing

Cursing Day
aloxolt

Aloxolt Day
comfy

Comfy Day
law

Law Day
girl friend

Girl Friend Day
kiss a ginger

Kiss A Ginger Day
lisp

Lisp Day
fiancee

Fiancee Day