a snowball's chance in hell

Cultural  

1. Something that has no likelihood of happening or succeeding: “Your proposal is too radical — it has a snowball's chance in hell of being approved.”

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snowball's chance in hell, a Idioms  

1. No chance at all, as in He hasn't a snowball's chance in hell of getting there in two hours. This idiom, nearly always used negatively, alludes to the traditional view of hell as extremely hot, causing snow to melt at once. [Late 1800s]

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