dig one's own grave
This page is about the idiom dig one's own grave
If you dig your own grave, you do something unwise that will result in your own failure or downfall in the future.
- Anyone who eats too much and doesn't exercise is digging their own grave.
- Jim lost his job, but he dug his own grave by being late all the time.
I wonder if Mike realises he's digging his own grave by
Contributor: Matt Errey