The act of adding a specific feature onto a theoretically finished contraption or building to stop Grian from tampering with it, which may result in said contraption/building being destroyed in a half a second.
To be used in the context of Minecraft
Grian-Proofing may also be used to classify some kind of lock on an object that stops it from being used by normal people that don't have the key.
Guy1: "OK, I think I've finished this massive redstone-only item filter."
Guy2: "Did you Grian-Proof it?"
Guy1: "Oh yeah... Would adding a misc. item bin be sufficient Grian-Proofing?"
Guy2: "Make sure he can't get the items back"
Guy1: >:3
Pudoo Patel is the biggest legend on the Internet. Although he can't spell for shit, his catchphrase 'u r sayin wut u son of basterd bitch' will always crack you up, and help you when you are angry at someone. Trust me, it works 100% of the time.
He also works at Dell in India.