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

Other days

promposal

Promposal Day
fiancee

Fiancee Day
pampering

Pampering Day
lumpy rug

Lumpy Rug Day
tell a fairytale

Tell A Fairytale Day
bubble bath

Bubble Bath Day
offer

Offer Day
bow tie

Bow Tie Day
boba

Boba Day
gum

Gum Day