be the death of somebody

be the death of (one)

To be a source of extreme worry, distress, aggravation, or other effects too intense for one to endure. You'll be the death of me! Please call if you're going to be home late, so I don't worry.
See also: death, of
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

be the ˈdeath of somebody

(often humorous) cause somebody a lot of harm or worry: You children are so badly behaved! You’ll be the death of me one day!
See also: death, of, somebody
Farlex Partner Idioms Dictionary © Farlex 2017
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