Short for federal, referring to an employee or agency of the federal government. Traditionally associated with the FBI, a fed, or the feds (not to be confused with the Fed), can typically be used when referencing any formal apparatus of the federal government. Informally, fed can be used as a derogatory insult for an untrustworthy or un-loyal individual.
The feds audited the business and monitored their regulatory practices.

That boy gives me a weird feeling, he a fed.
by 🐺 June 25, 2023
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Slang for an agent from the FBI.
I was caught by the feds on Saturday.
by 1337 Str33t Ninj4 August 18, 2004
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1. An FBI agent (slang).
2. A snitch (slang).
1. Dawg I’ve been running from the feds all week.
2. Denize is a huge fed. She told the teacher about my OG Kush.
by Calan Hentges April 16, 2020
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A dumb police man who assumes you are committing a crime.
Oi jerry this Fed thinks I'm a nonce
by Little-willyy August 3, 2018
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Short for “federal” but used as a way of saying that the topic is Information that’s kept it yourself; a secret
Person 1: Oh hey so what’s up with you and Jamie?
Person 2: That’s fed.
by Naaay November 30, 2019
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Short for federal agent, a member of the FBI. Can also be slang for the police in general.
The feds are infiltrating this site, man.
by Undeserving September 12, 2018
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A fed or federal is any form of law enforcement including Police, FBI, DEA, Detective Agency's, Military Authorization etc. Almost any government agency against crimes. With exceptions, these agency's can hire rats or snitches to get there friends to turn themselves in or simply get wired out.
"Watch out for feds when you selling."

"He hired a fed to rat us out."
"He with the feds, I see the wire on him."
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