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Related to down on: look down on
*down on someone or something
against someone or something. (*Typically: be ~;get ~.) You've been down on us all lately. I'm down on computers lately. Everyone sure got down on fast food.
down on somebody/something
feeling angry or disappointed with someone or something Dad's been down on me since I scraped the car backing out of the garage.
Hostile or negative toward, ill-disposed to. For example, All the reviewers were down on this play, or Ever since he was injured, he's been down on skiing. [Mid-1800s] Also see down on one's luck.