From Longman Dictionary of Contemporary Englishwhat’s that supposed to mean?what’s that supposed to mean?ANGRYused when you are annoyed by what someone has just said ‘It sounds like things aren’t going too well for you lately.’ ‘What’s that supposed to mean?’ → suppose
Examples from the Corpus
what’s that supposed to mean?• "It sounds like things aren't going too well for you lately." "What's that supposed to mean?" 