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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A member of the People for Ethical Treatment of Animals.
Some fucking PETArds just stole my steak.
by Beefchoker December 15, 2007
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A slang commonly used by those who observe the misuse or "rushing" of units known as petards in Age of Empires 2: Age of Kings.
That was so damn petarded!
by Massive Johnson Esquire February 24, 2003
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A retard who has high social status due to the money his parents have. A spiffy mentally handicapped person.
Rain man or that retard from the hangover. Also Christina ricci in pumpkin.

Dustin Hoffman plays a great spliffany petard in you know rain man also starring that creeper.
by jedi marf October 17, 2013
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To be foiled by your own advantage(i.e., explosives prematurely explode).

The history of the phrase comes from the uses of a petard in a seige (a petard is a volitile early explosive capable of bringing down castle walls). To be hoisted is to be lifted or sent up, which is generally what would happen to you if you were near a petard when it goes off (and that's if you got off lucky).

The term, "Hoisted on my own petard" is incorrect (unless of course you were pulled up while on a petard, but that'd be clinicly stupid) in that the meaning is altered. This bastardization is built upon the assumtion that a petard is a spear.
Sergeant- "Did you plant all the claymores Corporal Johnson?"
Corporal- "Yes sir."
Sergeant- "Where did you plant them."
Corporal- *Looks around shiftily* "Ummmm..."
Sergeant- "You don't know do you?"
Corporal- "No."
Sergeant- "Hoisted by my own petard."

Synonym- see clusterfuck
by ArKainicW July 7, 2010
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Taken from "Hoisted by his own petard" (Petard is some 16th century shaped charge for breaking into fortresses. If the bomb goes off while the French guy is installing it on the wall, he is then hoisted by his own petard). So when you or someone has plans or an occupation or way of doing things that blows up in their face or defeats their own purposes, they are then, petarded. Especially fun if you can't use the 'r' word in certain company...
He tried showing off by rushing through but he just screwed up spectacularly and now he's soooo petarded.
by WhatDoYouMeanYouPeople? June 15, 2018
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