piece of cake . piece of cake {adj.}, {slang} Easy. The final exam was a piece of cake. Categories: add yours {adj.} {slang} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry