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Phrase(s): fix someone’s wagon
Fig. to punish someone; to get even with someone; to plot against someone. • If you ever do that again, I’ll fix your wagon! • Tommy! You clean up your room this instant, or I’ll fix your wagon! • He reported me to the boss, but I fixed his wagon. I knocked his lunch on the floor.
McGrawhill's American Idioms And Phrasal Verbs