hoist by (one's) own petard

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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. (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.

Common Names:

Name	Pronounced	Usage
Brogan	-	Irish
Ardghal	AHR-dahl	Irish
Adrian	AY-dree-ən (English), AHD-ryahn (Polish), AH-dree-ahn (German), ah-dree-AHN (Russian)	English, Romanian, Polish, German, Swedish, Norwegian, Danish, Russian
Tamia	-	English (Modern)
Ambrosine	am-BRO-zeen	English (Rare)
Allannah	ə-LAN-ə	English (Rare)