The modern use of "toxic" is a masterclass in rhetorical sleight-of-hand. By applying a chemical metaphor to moral and relational realities, it accomplishes several things simultaneously. First, it pathologizes disagreement: if your theology, your masculinity, your parenting, or your church is "toxic," there is nothing to debate — you are simply harmful, like arsenic. Second, it eliminates moral categories: "toxic" has no biblical definition, no precise content, and no clear remedy. It is whatever the accuser says it is. Third, it justifies permanent severance: you do not negotiate with poison — you eliminate it. This is why "toxic" has become the preferred justification for cutting off family members, leaving churches, and abandoning marriages. It sounds clinical and therefore beyond argument. But Scripture gives us far better tools: specific sins with specific names, processes for confrontation and reconciliation (Matthew 18), and the expectation that even sinful people can be transformed by grace. "Toxic" writes people off. The Gospel writes them in.