Definition of not stand (or have) an earthly in English:

not stand (or have) an earthly

phrase

British
informal
  • Have no chance at all.

    ‘she wouldn't stand an earthly if she tried to outrun him’
    • ‘Consider the pounding the dressing room has taken in the last week or so and his men surely didn't stand an earthly.’
    • ‘Warnock didn't have an earthly with the conversion.’