From The Shining, by Stephen King:
Jack turned back, all zero at the bone.
What is the meaning of this expression?
Zero at the bone seems to be an idiomatic expression off Emily Dickinson's poem:
The implication seemingly being a reference Zero (O° F – cold!) to the bone. Literally, a chilling fear!
It's informal and not a set idiom as such.
It's from Snake by Emily Dickinson,
It's an allusion to a basic fear (originally of serpents), it is a feeling in your bones (or perhaps soul).