22
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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23
Fucking Illinois Bastards or Federal Investigation Bureau. Either a despective way of Winsconsin people to call Chicagoans or the FBI parody of GTA V.
I killed some FIB police officers yesterday on GTA Online!
I hate those FIBs!
by Tupamaro4Ever December 06, 2014
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24
What people in cow/cheese-land (Wisconsin) call people from Chicago.
FIB, and proud of it!
by Gabriel John July 05, 2007
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25
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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26
Fucking Itchy Balls Syndrome.

FIBS usually doesn't occur in private, but most likely during a family dinner, a formal event, or something similar. Symptoms include uncomfortably itchy scrotum/pubic area, awkward lower body movement/squirming, and near uncontrollable urge to thrust hand in pants and scratch scrotum/pubic area.
"Dude, why are you fuckin dancing around like that?"

"I got a bad case of FIBS, man."

"Fuckin scratch them, idiot."

"I can't while we're taking the fucking prom picture asshole."
by Riley July 20, 2004
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27
Friend In Bed. A much nicer way of saying Fuck Buddy.
'That guy you hooked up with last night was hawt!'
'Yeah, he's my FIB.'
by MalevolentWreck February 16, 2008
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28
A word used by people from bumblefuck Wisconsin to refer to people mainly from Northern Illinois. It means Fucking Illinois bastard. Lets face it they are jealous because there is no word that has been made up by people from Illinois to describe Wisconsin people. My father always told me that bastards call people names.
People from Wisconsin that use the word FIB should get a life.
by ThatFIB September 17, 2013
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