old flame . old flame {n. phr.} An erstwhile lover. Did you know that Meg was one of Howard's old flames? Categories: add yours love {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss