live off someone live off someone {v. phr.} To be supported by someone. Although Eric is already 40 years old, he has no job and continues to live off his elderly parents. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: L Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment