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]