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

Other days

self care

Self Care Day
slime

Slime Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
get funky

Get Funky Day
boyfriend

Boyfriend Day
offer

Offer Day
gum

Gum Day
brow

Brow Day
boy friend

Boy Friend Day
believe

Believe Day