dig (one's) own grave

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dig (one's) own grave

To do something that has or will have negative consequences that are easily able to be foreseen. If you don't turn in your project, you're digging your own grave. There's no way you'll get a decent grade without it! I'm afraid I'm digging my own grave by turning down the promotion.
See also: dig, grave, own
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

dig one's own grave

Fig. to be responsible for one's own downfall or ruin. If you try to cheat the bank, you will be digging your own grave. Those politicians have dug their own grave with their new tax bill. They won't be reelected.
See also: dig, grave, own
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

dig one's own grave

Seriously harm oneself, cause one's own ruin or downfall. For example, If Sam pursues that course, he'll be digging his own grave. [First half of 1900s]
See also: dig, grave, own
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.

dig your own grave

If you dig your own grave, you create serious problems for yourself by doing something foolish. I don't feel sorry for him — he's dug his own grave as far as I'm concerned.
See also: dig, grave, own
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

dig your own grave

do something foolish which causes you to fail or leads to your downfall.
1995 Colin Bateman Divorcing Jack Then I thought about Patricia again and how much I was missing her and how I'd dug my own grave over the phone.
See also: dig, grave, own
Farlex Partner Idioms Dictionary © Farlex 2017

dig your own ˈgrave

,

dig a ˈgrave for yourself

do something that will bring harm to yourself: If you give up your job now, you’ll be digging your own grave, because you won’t find it easy to get another one.
See also: dig, grave, own
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
What choice did Sirius XM have after he dug his own grave here?
Barlow claims Tina wrecked his life and that they are now even, but as he and Rob are arrested, it looks like the ex-bookie may have just dug his own grave.
I think he really, really dug his own grave with that one I'm afraid."
He's pretty much dug his own grave and as it's reported he's continually acting like a spoilt brat backstage.
Grimshaw, who was brought up in Dewsbury, has already dug his own grave on the island.
So long as I'm going back to update things long overlooked, let me remember the man who dug his own grave in Mount Zion Cemetery.
He dug his own grave on the first day with an opening 80.
The hot-headed striker may have dug his own grave after a series of bust-ups with Souness.
Then Charlie Dimmock recalls the day she drove a lawnmower into a river and Chris Collins from BBC2's The Plantsman very nearly dug his own grave. It all makes for television that makes me glad I live in a property which comes complete with its own gardener.
* Raul Pero, a Los Angeles man who faked his own death from a heart attack, dug his own grave and tried to collect $2 million from his life insurance company;
However, the controversial broadcaster dug his own grave last weekend when he turned up drunk to commentate on a live game.
Doughney dug his own grave on that point by remarking to a reporter that PETA should buy the domain name if they weren't happy with how he was using it.
Keegan had a miles easier ride than any England manager of the modern era, despite having dug his own grave with a catalogue of ludicrous errors.
"Now it looks like he's dug his own grave. He can't blame anyone else.
Seven days earlier, Amir Khan dug his own grave in losing to Lamont Peterson and in July David Haye's global ambitions hit a wall called Wladimir Klitschko.