Definition of join the club in US English:

join the club

phrase

informal
  • in imperative Used as an observation that someone else is in a difficult or unwelcome situation similar to one's own.

    ‘if you're confused, join the club!’
    • ‘But if you're wondering what the hell I'm stammering about in the final minute, join the club!’
    • ‘So you see, when the Prime Minister says he could do with some co-operation, join the club, so could we.’