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Commonly abbreviated as SED, Significant Ear Damage is genre of music created for Zac Seif's music, specifially a song called "I can't survive," because even Emo is not terrible enough a genre to categorize his music as.
Guy 1: Did you hear Zac Seif's new song? It's the best example of Significant Ear Damage music out there!

Guy 2: Thanks for the warning, I'll be sure to avoid it!
by SignificantEarDamage July 10, 2012
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