What is the definition of Huoshan?

"Huoshan" is a whimsical, albeit slightly unsettling, Chinese term that translates to "cold heart" or "icy spirit." Now, here's a sentence that might just make your mouth twitch with laughter while hinting at its ominous undertones: "After Huoshan's icy stare, the ghost of the lost fortune merchant couldn't resist offering me a cold drink in exchange for his soul."