a) someone who is sooo obsessed with green day that he/she cannot help but define green day-related terms on urbandic.com

b) a really, really scary stalker-like person whose goal in life is to sneak into tre cool's house and steal his pants and his entire underwear drawer

c) me
wow, that TRUE green day fan is really, really scary...i definitely wouldn't want to be green day...
by a TRUE green day fan December 17, 2004
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a) an AMAZING cd that just blew me and every SANE PERSON in the world AWAY.

b) a cd that finally made the anti-punkers realize how talented green day is although warning was pretty damn awesome

c) a really, really good reason to elect billie joe as president
a) anyone who didn't like the new green day cd is a fucking american idiot (cough cough).

b) i don't understand how people were so shocked at the perfection that IS the new green day cd, insofar as their previous cd rocked assmonkey

c) due to the brilliance of the new green day cd, i think we should honor billie joe by at least electing him president, if not the leader of the world
by a TRUE green day fan November 27, 2004
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Knows all albums besides American Idiot or 21st CB, Love them 'cause of their music and meaning of each song, feels extremely happy when hearing one of their songs and not forgeting, liking both their old and new sound.
Fangirl:21 Guns is so awesome, and Billie is hawt!"

True Green Day Fan:"no doubt 21 Guns is awesome and Billie looks good......but how about Road To Accetance, or like, J.A.R."

Fangirl:Ermm.......
by Jenny0212 January 26, 2011
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a person who can accept that Greenday officially sucks an official nut since their last album
hmm...you dont have the new Greenday cd...you must be a TRUE fan
by sus August 16, 2005
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a TRUE green day fan- A perosn who has listened to Dookie at least and their other albums. If you have only listened to American Idiot, then you are not a true fan. You can't just say you are a fan and you have only listned to one album. And you at least have to know three of the bandmembers names and some info. How hard is that? There are only three members! And if you listen to a song, such as American Idiot or Longview, I don't think you should just say you like the song because it's catchy or whatever. All of their lyrics means something and you should pay attention to that. That is one of the main reasons I luv them! Their lyrics are really powerfull and mean a lot. So that is my opinion of a true green day fan pretty much.
To be a TRUE green day fan, you must listen to lots of their albums and other stuff.
by Greendayfanperson April 2, 2006
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Green Day Mosh Pit is used to describe something that looks funny and cool, but in reality is lame and unfun.
Guy 1: Hey dude let's go to Sharon's party
Guy 2: That's a Green Day Mosh Pit right there, her little brother is always there.
by Senor Quackers March 15, 2021
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also known as OCGDD,
people who are obsessed with green day, who cant go one day without visiting GDA (greendayauthority.com), and are sick of people who think american idiot is the only green day cd ever made.
when inflicted with this awesome disease, you know all there is to know about green day and sweet children, from every song lyric, to having every poster,to getting angry with others that only listen to them because they think billie is hot, and dont know the meanings behind any song.
Me: im a proud carrier of OCGDD
YOu: omgzzz whats that?
Me: obsessive compulsive green day dissorder
you: omg i love Greenday! i went to the doctor yesterday...and they looked in my ears and diagnosed me with that!
Me: ?? wtf?
by freakmagnetxxx June 12, 2006
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