To the man. "Refuting" an argument by attacking some aspect of its presentation or presenter and not its content.
Direct Ad Hominem: "Then again, that's you talking, so I can safely ignore what you say."
Circumstantial Ad Hominem: "This is less severe for you if a factor at all, so shut up!" or "I figured you'd put your own interests ahead of truth."
Poisoning the Well: "Don't believe the Card-Carrying Villain Flat Character who is about to speak!"
Tu Quoque: "And why should anyone heed a hypocrite/sellout like you?"
Style over Substance: "Your delivery refutes the message."
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