How to Cite "I did something really stupid yesterday, and my grandfather told me I was hoist with my own petard." What does that mean? And what's a petard?"" from CliffsNotes.com:

CliffsNotes.com. I did something really stupid yesterday, and my grandfather told me I was hoist with my own petard." What does that mean? And what's a petard?". 17 Apr 2014
<http://www.cliffsnotes.com/cliffsnotes/history/i-did-something-really-stupid-yesterday-and-my-grandfather>.



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