Top definition
1. A particularly powerful cannon capable of bestowing doom and, where applicable, chaos, to what or whoever it is aimed at.
2. A sexual move in which a male climaxes with such ferocity as to destroy his partner's body.
1. "Corporal, fire the doom cannon."
2. "I apologize for killing her, officer, though is pulling a doom cannon really that big a deal?"
by Eric H. February 21, 2005
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