smack one's lips . smack one's lips {v. phr.} To reveal an appetite for; show enjoyment of. Eleanor smacked her lips over the dessert of strawberries and whipped cream. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss