Medieval demolition. Set down by people, and then the person runs. In many cases, the person may fail to run, therefore they have been "blown away by their own petard", which is also a common saying.
Petard is nothing to do with retard. You are retarded, not petarded. :P
by Steaver370 July 30, 2004
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When your clinically insane friend happens to be named Pete.
I took my friend Pete to the club, and he was thrown out for acting Petarded.
by Rubenderovr April 18, 2018
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puh-tard

1. Someone who has become borderline retarded because they smoked way too much Pot.
2. A dumb Pothead.
Cheech and Chong used to be funny back in the day. But now they're a couple of petards.
by DonnieLee August 14, 2006
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somebody named peter that is retarded or acts like it
peter stop being a petard and quit lighting my hair on fire!
by esse March 23, 2005
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A person entirely too stupid to live.
Somebody who is equally a Pider and a Retard.
Why the hell did you invite that petard out tonight?
by MaximoSuchka May 11, 2018
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