Nobody knows where this phrase came from, only that the members of Green Day are now saying it constantly.
by Bipolar_Bear24 May 18, 2018

by coolboy122131 June 8, 2022

Carchi: Hey man!
The team: shut up carchi!
Carchi: Why can’t I talk?
The team: It’s shut up carchi day silly!
The team: shut up carchi!
Carchi: Why can’t I talk?
The team: It’s shut up carchi day silly!
by Johan training assistant October 19, 2020

This day is for anyone named mia who just needs to shut up sometimes, commonly celebrated on September 8
by Personpersonson September 1, 2020

Jeffrey: I just got a-
Person: Shut the FUCK UP
Jeffery: What the hell bro
Person: its shut up Jeffrey day
Jeffrey: Ok have a good day
Person: Shut the FUCK UP
Jeffery: What the hell bro
Person: its shut up Jeffrey day
Jeffrey: Ok have a good day
by P3sto March 16, 2022

by Gringo man Esteban June 20, 2018

This means if you’re not gonna run up On me and throw hands do you need to shut up and stop running your mouth because you’re not gonna do nothing to me.
by 💕✨🔑💍2️⃣ April 13, 2022
