(someone or something) will be the death of (one)

(someone or something) will be the death of (one)

Said when someone or something is a source of extreme worry, distress, aggravation, or other effects too intense for one to endure. Next time, please call if you're going to be home late. You'll be the death of me with how much you make me worry! I swear, this project will be the death of us. We're working 80-hour weeks just to get it done before the deadline. Yes, Bobby had to get yet another round of stitches, this time because he jumped off the slide at the park. I swear, this kid will be the death of me!
See also: death, of, will
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

will be the death of someone or something (yet)

[the thing named] will be the end or ruin of someone or something. This job will be the death of me! Rough roads will be the death of these tires.
See also: death, of, will
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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