fiddle with . fiddle with {v. phr.} To carelessly play with something. If Jimmy continues to fiddle with our computer, he is liable to ruin it. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: F Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment