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

Other days

boba

Boba Day
bounce

Bounce Day
comfy

Comfy Day
bow tie

Bow Tie Day
ormille

Ormille Day
aloxolt

Aloxolt Day
martini

Martini Day
frozen yogurt

Frozen Yogurt Day
artists

Artists Day
donate your hair

Donate Your Hair Day