buy for a song . buy for a song {v. phr.} To buy something very cheaply. Since the building on the corner was old and neglected, I was able to buy it for a song. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: B Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry