(someone or something) will be the death of (one)(redirected from he will be the death of)
(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.
Farlex Dictionary of Idioms. © 2015 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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.