rock (one) to (one's) core

(redirected from rocking someone to their core)

rock (one) to (one's) core

To affect one very deeply or profoundly, especially in a startling or revelatory fashion. The sudden arrest of my business partner for murder has rocked me to my core, leaving me questioning everything I once knew. The dramatic ending to the film rocked him to his core.
See also: core, rock