Godsmack vocalist Salvatore “Sully” Erna is from Massachusetts almost automatically making him a New England Patriots fan. So when the crowd at a Washington show started chanting, "[Eff] the Pats!" He took it a little personal.

Sully then went on a rant about the Patriots and improvised a song about how the Seattle Seahawks "suck big [effin'] D."

WARNING: NSFW Language

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