humdinger• Brown must have been a humdinger of a playgroundsupervisor.• Pierre and Donna are having a humdinger of a row.• What a shame it couldn't have been more of a humdinger.• And it was a humdinger, delivered with passion and poise.• There was a humdinger of a reception to greet us.• a humdinger of a party• Such excitement was absent during a first half that was more humdrum than humdinger.