What does Snowball's chance in hell of mean?
a snowball's chance in hell
(idiomatic, informal, slang, adynaton, hyperbolic) Little (if any) likelihood of occurrence or success. That small boat has a snowball's chance in hell of surviving the hurricane.
What is the saying a chance in hell?
informal. : any chance at all. used in negative statements to say that something is extremely unlikely or impossible. Let's be honest—there isn't a snowball's chance in hell that we'll win this game. He doesn't have a snowball's chance in hell of getting the job.