Found 2 items, similar to G-man.
English → English (WordNet)
Definition: G-man
G-man
n : a special law-enforcement agent of the Federal Bureau of
Investigation [syn:
FBI agent,
government man]
English → English (gcide)
Definition: G-man
G-man
\G-man\ n. [from Government man.]
A special law-enforcement agent of the Federal Bureau of
Investigation.
Syn: FBI agent, FBI man, government man.
[WordNet 1.5]