shirk one's duty . shirk one's duty {v. phr.} To be negligent or irresponsible. If you continue to shirk your duty, you can expect to be fired. 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 Add my comment