noun, plural G-men.
an agent for the FBI.
noun (pl) 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.
A Federal Bureau of Investigations agent; feeb (late 1920s+)
[United States] Government man (FBI agent)
GCOS Macro Assembler Program
1. Trademark. Graduate Management Admissions Test. 2. Greenwich Mean Astronomical Time. 1. Graduate Management Admissions Test 2. Greenwich mean astronomical time
abbreviation 1. Grand Master Bowman; the highest standard of archer 2. General, Municipal, and Boilermakers (trades union)
abbreviation (in Germany) 1. Gesellschaft mit beschränkter Haftung; a limited company