Oops, it doesn't look like 'offend someone then take it back day' is a national day..

Other days

lash

Lash Day
ponytail

Ponytail Day
prescription drug take back

Prescription Drug Take Back Day
coffee

Coffee Day
cuddle up

Cuddle Up Day
self appreciation

Self Appreciation Day
fiancee

Fiancee Day
bow tie

Bow Tie Day
nae nae

Nae Nae Day
polyamory

Polyamory Day