Top Definition
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 11, 2006

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