Definition of dig one's own grave in English:

dig one's own grave

Do something foolish which causes one’s downfall: you’re digging your own grave by walking away right now
More example sentences
  • Like the smoker, you dug your own grave - deal with it.
  • If I were an optimist, I would suspect that the Democrats are digging their own grave.
  • It is a classic example of one digging one's own grave - to put it in simple language that a common man can understand.
See parent entry: grave

Definition of dig one's own grave in:

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Word of the day oleaginous
Pronunciation: ˌəʊlɪˈadʒɪnəs
rich in, covered with, or producing oil; oily