Shut the fuck up September

Shut the fuck up September is where you have every single right to tell people to shut the fuck up whether they like it or not.
Everyone in the world has a free pass to tell anyone to shut the fuck up throughout the whole month of September.

person 1: Hey.
person 2: Shut the fuck up!!
person 1: Hey bro thats kinda rude!
person 2: Not my fault, its shut the fuck up September.