The process of removing, and throwing a man's balls out of a window.
"After me and Bob had our 4th child, I had enough and used defenecastration on him."
by e-qash May 23, 2020
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Chopping off someone's junk, and throwing it out a window.
My asshole boyfriend cheated on me, so I subjected him to defenecastration
by Metronome_Murderer May 26, 2011
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