@wingsofwrath As far as I can tell it originates from the US military, with 'rapid unintentional disassembly' being a darkly humorous reference to a rifle coming apart if you mistreat it. As far as when, it showed up in a book in 1970, so it must've been in common use before that point.
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@wingsofwrath As far as I can tell it originates from the US military, with 'rapid unintentional disassembly' being a darkly humorous reference to a rifle coming apart if you mistreat it. As far as when, it showed up in a book in 1970, so it must've been in common use before that point.