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
G-Man (Half-Life) have him express an apologetic look toward Freeman as he 'regretted' to put Dr. Freeman in this situation, but then give a slight smirk or smile at the end to keep you guessing about his sincerity." Before animating the G-Man's facial expressions, Wood spent weeks in front of a mirror practicing the expressions on himself. In "Half-Life", the Nihilanth makes a vague reference to the G-Man as he talks to Gordon before their battle, referring to him as "not man" and adding "for you he waits..." In the start of Half-Life 2 a Vortigaunt was seen speaking to the G-Man