pick one's teeth pick one's teeth {v. phr.} To clean one's teeth with a toothpick. It is considered poor manners to pick one's teeth in public. Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry