In Devil's Trap Dean says that John wouldn't be proud of him for using a bullet to save Sam's life, he's tear him a new one. If that doesn't sound abusive I don't know what is. "Tearing a new one" is a pretty common idiom in the US for being incredibly angry and shouty. That is not necessarily abuse, at all.
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"Tearing a new one" is a pretty common idiom in the US for being incredibly angry and shouty. That is not necessarily abuse, at all.