shake a leg . shake a leg {v. phr.}, {slang} To go fast; hurry. Shake a leg! The bus won't wait. Compare: STEP ON IT. Categories: add yours {slang} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment