be the end of (one)(redirected from be the end of you)
be the end of (one)
To cause one's ruin, breakdown, downfall, or demise. Often (but not always) used facetiously or lightheartedly. I hate this class, I swear it will be the end of me! My kids are such a handful, sometimes I think they'll be the end of me! If you keep smoking cigarettes, it may well be the end of you.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be the end of one
Be one's downfall, as in His heavy drinking may well be the end of him, or That math assignment will be the end of me. This phrase originally alluded to something that would cause someone's death. Today, while it may be used seriously (as in the first example), it more often is used more lightly (as in the second).
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.