G-Man (slang) G-Man (slang) G-Man (short for "Government Man") is an American slang term for special agents of the United States Government. It is specifically used as a term for a Federal Bureau of Investigation (FBI) agent. "G-Man" is also a term used for members of G Division, essentially a British anti-rebel police unit operating out of Dublin Castle prior to Irish Independence in 1922. Colonel Ned Broy uses the term in his official testimony for the Irish Army's Bureau of Military History in their archive of the Easter Rising (1916) and the Irish War of Independence (1919-1921). According to the "Merriam-Webster
Junior G-Men Junior G-Men Junior G-Men was an American boys club and popular culture phenomenon during the late 1930s and early 1940s that began with a radio program and culminated with films featuring the Dead End Kids. After leaving the Federal Bureau of Investigation and a brief stint in Hollywood, Melvin Purvis hosted a children's radio program called "Junior G-Men" in 1936. Purvis had become a national hero for his record as an FBI agent during the so-called "war on crime" in the early 1930s, most notably for leading the manhunt that ended with the death of John Dillinger. As a result