kickback kickback {n.}, {slang}, {informal} Money paid illegally for favorable treatment. He was arrested for making kickback payments. Categories: add yours {informal} {n.} {slang} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: K Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry