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Related to hate guts: despise, idiom
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.
hate somebody's guts(spoken)
to dislike someone very much I don't think you should hate my guts just because I like to hunt.
hate somebody's guts(informal)
to hate someone I hate his guts for treating my sister so badly.