Definition of sob sister in English:

sob sister

noun

informal
  • 1A female journalist who writes articles with sentimental appeal or answers readers' problems.

    • ‘Rob Marshall (director/choreographer), however, felt that such an inclusion wouldn't work on film and, instead, cast acclaimed actress, Christine Baranski, who plays the savvy, possibly corrupt, reporter / sob sister to perfection.’
  • 2An actress who plays sentimental roles.