G.I. G.I. or "government issue" {n.} An American soldier. After the war many GI's were able to get a free education. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: G Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss