talk shop . talk shop {v. phr.}, {informal} To talk about things in your work or trade. Two chemists were talking shop, and I hardly understood a word they said. Categories: add yours {informal} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: T Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss