noun, plural G-men.
- an agent for the FBI.
noun plural G-men
- US slang an FBI agent
- Irish a political detective
“FBI agent,” 1930, shortening of government man; used earlier in an Irish context (1917), but the abbreviation is perhaps the same one.
noun, plural G-men.
noun plural G-men
“FBI agent,” 1930, shortening of government man; used earlier in an Irish context (1917), but the abbreviation is perhaps the same one.