not stand an earthly (chance)

not stand an earthly (chance)

To have no possible or feasible chance of doing or accomplishing something. Primarily heard in UK. He doesn't stand an earthly chance of winning, but I'm voting for him nonetheless. I knew I wouldn't stand an earthly of getting that promotion if I didn't make myself stand out in the company more.
See also: earthly, not, stand

not stand (or have) an earthly

have no chance at all. British informal
See also: earthly, not, stand