hoist by one's own petard

From the play Hamlet by William Shakespeare, see quotations.

• "He has no one to blame but himself; he was hoisted by his own petard."
• "For tis the ſport to haue the enginer / Hoiſt with his owne petar, an't ſhall goe hard"
• "Unhappily, the country as well as Mr. Marples has been hoist by the Minister's petard. (Mr. Marples was the Minister concerned)"
• "The danger with Trump would seem to be that, like Berlusconi, he would be hoist by his own petard, self-destructing precisely through the agent of his rise, and dragging the rest of us with him."
• "At last, the opposition spoke with one voice, and Boris Johnson was hoist by his own petard. It’s hard to see how he gets out of it."

• beat someone at their own game
• he who digs a pit for others falls in himself
• Leopards Eating Faces Party
• like turkeys voting for Christmas
• own goal
• rod for one's back
• shoot oneself in the foot
• the biter bit
• the shoe is on the other foot
• turn the tables