hate somebody's guts

hate (one's) guts

To utterly despise one; to feel nothing but hatred for one. I know for a fact that Stacy hates my guts. She told me to drop dead last time I saw her. He doesn't hate your guts, Paul. He's just mad that you lied to him.
See also: gut, hate

ˌhate somebody’s ˈguts

(informal) dislike somebody very much: Don’t invite that man to the party. I hate his guts.
See also: gut, hate