hate someone's guts

hate someone's guts idiom
Thoroughly despise someone, as in I hate Peter's guts. The guts here refers to a person's inner essence. [Slang; c. 1900]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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