The phrase functions as a descriptor, typically applied to a literary work. It signifies a narrative or character exhibiting emotional detachment, ruthlessness, or a lack of empathy. A story featuring a protagonist who manipulates others without remorse could be described using this simile.
Utilizing such figurative language adds depth to literary analysis and allows for concise yet evocative descriptions of complex character traits or narrative themes. This descriptive power allows readers and critics to quickly grasp the emotional landscape of a work. Historically, similar imagery has been employed in literature to represent aloofness or cruelty, reflecting enduring human interest in these themes.