G-man

[jee-man]

noun

plural

G-men 

1. an agent for the FBI.

G-man

noun

1. slang,  an FBI agent

2. a political detective

Word History and Origins

Origin of G-man¹

First recorded in 1920–25; probably representing Government man

Example Sentences

Sad to say, Ness peaked in his 20s, and Prohibition’s star G-man never recovered from the intoxicating effects of fame.

From Washington Post

“It’s something that stands still, stands strong, stands for a long time. And that’s exactly what G-man embodies.”

From Los Angeles Times

“I don’t think you’re a big master spy,” the G-man confides to Winner at one point.

From Washington Post

A G-man joins the district attorney’s office and busts a racketeer.

From Los Angeles Times

It was the death of the deus ex machina — the hope that a G-man of mythic abilities would decisively intervene on the side of good and save the honor of the country.

From Washington Post