Oops, it doesn't look like 'fake ass friend day' is a national day..

Other days

boy friend

Boy Friend Day
ride the wind

Ride The Wind Day
stud

Stud Day
ormille

Ormille Day
boba

Boba Day
polyamory

Polyamory Day
tulip

Tulip Day
promposal

Promposal Day
bounce

Bounce Day
carpenters

Carpenters Day