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hoist by/with (one's) own petard

To be injured, ruined, or defeated by one's own action, device, or plot that was intended to harm another; to have fallen victim to one's own trap or schemes. (Note: "hoist" in this instance is the simple past-tense of the archaic form of the verb, "hoise.") I tried to get my boss fired by planting drugs on him, but I was hoist by my own petard when the police caught me with them beforehand.
See also: by, hoist, own, petard

be hoist by (one's) own petard

To be injured, ruined, or defeated by one's own action, device, or plot that was intended to harm another; to have fallen victim to one's own trap or schemes. ("Hoist" in this instance is the simple past-tense of the archaic form of the verb, "hoise.") I tried to get my boss fired by planting drugs on him, but I was hoist by my own petard when the police caught me with them beforehand.
See also: by, hoist, own, petard

hoist with one's own petard

Fig. to be harmed or disadvantaged by an action of one's own which was meant to harm someone else. (From a line in Shakespeare's Hamlet.) She intended to murder her brother but was hoist with her own petard when she ate the poisoned food intended for him. The vandals were hoist with their own petard when they tried to make an emergency call from the pay phone they had broken.
See also: hoist, own, petard

hoist by your own petard

or

hoist with your own petard

FORMAL
If someone is hoist by their own petard or is hoist with their own petard, something they do to get an advantage or to harm someone else results in harm to themselves. You should stop spreading stories about your opponents or, sooner or later, you will be hoist with your own petard. Note: `Petards' were metal balls filled with gunpowder which were used to blow up walls or gates. The gunpowder was lit by a slow-burning fuse, but there was always a danger that the device would explode too soon and `hoist' the person lighting it, that is, blow them up in the air.
See also: by, hoist, own, petard

hoist with (or by) your own petard

have your plans to cause trouble for others backfire on you.
The phrase is from Shakespeare's Hamlet: ‘For 'tis the sport to have the enginer Hoist with his own petard’. In former times, a petard was a small bomb made of a metal or wooden box filled with explosive powder, while hoist here is the past participle of the dialect verb hoise , meaning ‘lift or remove’.
See also: hoist, own, petard

be hoist/hoisted by/with your own peˈtard

(British English) be caught in the trap that you were preparing for another personThis is from Shakespeare’s play Hamlet. A petard was a small bomb.
See also: by, hoist, own, petard

be hoist with one's own petard

To be undone by one's own schemes.
See also: hoist, own, petard

hoist by your own petard

Hurt by your own misdeed. A petard was a medieval bomb made of a container of gunpowder with a fuse, and to blow open gates during sieges against towns and fortresses. Unreliable, petards often exploded prematurely and sent the person who lit the fuse aloft (the “hoist” image) in one or more pieces. The phrase, which is often misquoted as “hoist on one's own petard,” comes from Hamlet: For 'tis the sport to have the engineer Hoist with his own petard; and ‘t shall go hard But I will delve one yard below their mines And blow them at the moon . . .
See also: by, hoist, own, petard
References in periodicals archive ?
Des supporters croates ont lance des fumigenes sur la pelouse et un petard qui a explose aux pieds d'un stadier, provoquant une interruption du match de quatre minutes.
Raschid Abdullah, Chairman, said: "In the first six months of 2017 Petards continued to grow its profits and re-invest them with the objective of strengthening its market positions through the development of a broader product portfolio and customer base.
Currently, engineering development is in progress and will reportedly make a contribution to Petards 2016 revenues.
AIM-listed Petards said its strategy to target the new-build train sector also continued to bear fruit as new business was secured with manufacturers such as Bombardier Transportation and Hitachi Rail Europe.
Should another party place a firm takeover bid for Petards before that deadline, the norms will require Water Hall Group to make its intentions public, the target company explained.
The groupa[euro](tm)s subsidiaries including Petards Limited, Petards Joyce-Loebl Limited and Petards Inc are involved in the manufacture of specialist electronic systems.
The Axis network cameras will be used in conjunction with the Universal Video Management System (UVMS) solution from Petards, Inc.
Petards chairman Raschid Abdullah said: "We are delighted that Petards' EYETRAIN CCTV systems continue to be the system of choice for fitment to Bombardier's Aventra trains.
Parmi les produits de contrebande, Achourouk cite des articles en cuir,les parfums, les petards ainsi que le Subutex, sansoublier les devises.
Gateshead-based security systems developer Petards Group has secured a nearly 6m deal with Great Western Railway.
Le responsable a cite la saisie de plus de 200 000 boites de petards et feux d'artifices, representant une valeur de 6 milliards de centimes effectuee par la police d'Alger, a la veille du Mawlid 2015, a [beaucoup moins que] Djamaa Lihoud [beaucoup plus grand que].
SECURITY technology specialist Petards has ann ounced a significant order with Siemens.
UK waste management group Water Hall (LON:WTH) announced on Friday it had bought a further 38 million ordinary stock of home security and surveillance systems provider Petards Group (LON:PEG) for a total of GBP248,094 (USD359,000/EUR289,000), raising its total stake to 13.
Having been in the global security business for more than 20 years, and already an established leader in video surveillance system market, Petards is now aggressively expanding in the U.
Team Valley security software firm Petards and Teesside's Stadium Group took to the stock market to outline strong progress in their respective businesses, with positive prospects for the year ahead.