have a snowball's chance in hell

not have a snowball's chance in hell

to have no chance at all of achieving something (usually + of + doing sth) With those grades she hasn't a snowball's chance in hell of getting into college.
See also: chance, have, hell
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We don't believe in those tedious contests, appearing in London-based tabloids, where you have a snowball's chance in hell of winning the one cash prize.
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