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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 with one's own petard

Caught in one’s own trap, defeated by one’s own weapons. The term alludes to an ancient weapon, a thick iron canister filled with gunpowder, which was fastened to a gate or other barrier in order to breach it. It was a dangerous weapon, because the engineer who set it off could easily be blown up (“hoist”) when it detonated. Shakespeare was among the first to transfer the term, in Hamlet (3.4): “Let it work; for ’tis the sport to have the enginer hoist with his own petar.”
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 ?
'We are delighted that Petards has again been selected by Siemens to work on their second contract with the Turkish State Railway.
In a stock market announcement, Petards directors said they believe that the acquisition will strengthen the group's software solutions offering and that it will provide the group with an entry into the UK rail infrastructure market complementing the group's existing EYETRAIN on-board train systems.
Petards is a cash generative global supplier of products to original equipment manufacturers, system integrators and end users in the rail, security and defence markets in new build, refurbishment and retrofit applications.
He said: "I am pleased to report that Petards had another good year in 2017 during which the group made a substantial investment in its eyeTrain hardware and software and achieved record pre-tax profits.
Petards will make the acquisition through its existing cash reserves, and the overall cash consideration includes a deferred payment of [pounds sterling]140,000 which will be made if QRO reaches a revenue target of at least [pounds sterling]1.75m and pre-tax profit of at least [pounds sterling]240,000 in the year ending November 30 2016.
As well as working with most of the major train manufacturers and emergency services, Petards has worked with the MoD for 18 years and this latest deal will see it provide communications equipment and services to the ministry.
Meme les marchands de fruits et de legumes se voient bousculer par les vendeurs de petards qui vantent a tue -tete la qualite de leurs marchandises.
Les services des Douanes et de la Garde nationale a La Manouba appuyes par des unites de la Garde nationale de Tunis ont decouvert, mardi 1er novembre 2016, a la cite des jeunes, a Douar Hicher (gouvernorat de la Manouba), un entrepot contenant une importante quantite de fournitures scolaires et des petards.
SECURITY and surveillance technology specialists Petards Group plc is back in the black after revenues more than doubled to PS13.5m.
20 September 2012 - British security technology supplier Petards Group Plc (LON:PEG) said on Thursday it had been approached by Water Hall Group Plc (LON:WTH) with a preliminary proposal to potentially take it over.
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.
DIRECTORS at Gateshead security specialist Petards are confident for the future after deals with global train firms boosted orders to PS24m.
Petards, the AIM quoted developer of advanced security systems is pleased to announce that it has been awarded two significant contracts totalling 1.5 million in value.
Parmi les produits de contrebande, Achourouk cite des articles en cuir,les parfums, les petards ainsi que le Subutex, sansoublier les devises.