The horrible feeling you have after a Jonas Brother concert because it had been long anticipated but it now over.
(two weeks after Jonas Brothers concert)
Amanda: Gah, I don't know what's wrong with me. It started not long after after the concert.
Me: Ah, you have Post Jonas Concert Disorder.
Amanda: Gah, I don't know what's wrong with me. It started not long after after the concert.
Me: Ah, you have Post Jonas Concert Disorder.
by WhatTheFrankie?! October 20, 2008
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