A term that refers to a crazy woman who pmses so much that her vagina has been transformed into a cannon, hence being a blood cannon.
Holy shit Javi, your mother pmsed so hard that her blood cannon knocked you off your feet!
by Butternutz7 January 21, 2009
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(n) Penis; male mammal reproduction organ, also used to expell urine.
He was thumping his blood engorged mayonaise cannon for the majority of the night.
by Meach January 9, 2005
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