Shook to the core

To be "shook to the core," you simply can not fathom something resulting you to be in a state in which you can not easily speak other words than "shook to the core." This is a verb used to properly demonstrate your feelings towards something or someone's actions or state of being.

Gabriel: "Did you see what he just did?"
Human: "Yeah, I am surprised!"
Gabriel: "I am Shook to the core! I can't believe it!"
Human: *nods in confirmation*