Top Definition
A term used when building a computer, specifically when Installing the I/O shield, and cutting yourself, as they are notorious for being sharp.
Ex. of the "I/O shield blood sacrifice"

Man: I was about to throw the whole tower against the wall! I felt like such an idiot. The IO shield is evil and requires a blood sacrifice!

Friend: It really is. I did a case transplant on Friday and it took blood even just for being moved from one case to another.
by TheNightAngel June 05, 2013

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