Federal Investigation Bureau
GTA version of the FBI
The FIB Heist was crazy!
by ShadowMasterYT June 21, 2021
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Fibbing.The act of a male sticking his testicles but not his penis into a females vagina.
Me and Jenny had a great Fibbing session last night.
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To lie right through your fucking teeth.
The serial killer fibbed to the police about what was in his basement.
by Santa Claus. December 17, 2008
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Fucking Illinois Bastard

A lame excuse for an acronym orginated by Wisconsin residents in between daily inbreeding and masturbating to portraits of Vince Lombardi.
without these FIB's contributing so heavily to our economy we would all be poor and even more WORTHLESS.
by chip douglass April 19, 2005
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I have had a second home (cabin on a trout stream) in Central Wisconsin for over 30 years. Among my cheesehead friends in the local taverns, I am known as the King Fib. I don't regard it as perjorative; indeed, I am kind of proud.
by Pawnee April 8, 2007
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Fake Item Box

An item found in the Mario Kart series. It resembles regular item boxes, but causes racers to crash if touched. It can be used either as a trap or as a projectile. In most games, FIBs cannot be used as a defensive tool against shell attacks from behind. Instead, they're use is found with strategic placements or a good throwing hand. A FIB Snipe is a feat that can be performed where a player throws their FIB in such a way that it lands in front of or directly on top of the opposing player, sometimes in mind boggling ways for epicness.
FIB Snipe
Crouching Shell, Hidden FIB
by Tuxie May 24, 2013
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Famous Imaginary Boyfriend. A person of note or celebrity, easily identifiable by others, whom you claim to fancy. An indication of taste and type.

The female version is FIG, Famous Imaginary Girlfriend.

Christian Bale has been my FIB for years, so it's a good thing my real boyfriend looks just like him.
by Paris Morgan March 25, 2008
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