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Related to hate guts: despise, idiom
hate (one's) guts
To utterly despise someone; to feel nothing but contempt for someone. I feel like Joe hates my guts after I beat him in the tournament. Politicians don't care a fig about us working-class folk. I really hate their guts.
hate someone's guts
Fig. to hate someone very much. Oh, Bob is terrible. I hate his guts! You may hate my guts for saying so, but I think you're getting gray hair.