A youtuber who uploads somewhat a lot and plays minecraft a lot. He sucks at redstone but can build like somewhat no one can.
He plays MC With taurtis, Mumbo Jumbo, DomRao, Rowan Artifax and others on the HermitCraft Server (Currently season 6)
Grian rarely plays other games too (Cardboard life, etc..)

British Builderman

To steal something from someone else's Minecraft farm.

When you don't build the backside of your Minecraft build. Usually a big mansion or island.

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.

To not finish the back of a build in minecraft.

Procrastinating a partially built project.