do one good . do one good or do one's heart good {v. phr.} To give satisfaction; please; gratify. It does my heart good to see those children play. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: D Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss