Acronym for Fucking Illinois Bastard

Used in the Great Lakes states (except Illinois) to refer to an obnoxious tourist from Illinois, especially from Chicago. See also fish and noiser.
I don't want to go to that bar tonight. Its Memorial Day weekend and the place will be overrun with fibs.
by zozman June 19, 2006
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noun: a way to refer to Illinoisans that would offend your grandma if you spelled it out for her. The grandma version of FIB is flat lander.
little timmy: Holy shit, Grandma!! Look at all the God-damned FIBS on the highway today!!
Grandma: timmy!! Where'd you learn to talk like that? Never refer to them as FIBs; it's offensive. Call those bastards "flatlanders."
by earpuller September 21, 2005
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Fill In Boyfriend. When a bf isn't good enough or cannot satisfy his woman in one way or another (bad listener, worse lover) and another man finds himself in the bizarre position of fulfilling all her non-sexual needs.
If only he knew everything that happened in between his girlfriend and her FIB, he would know how shitty of a bf he is.
by hunglikeamoose March 11, 2009
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What people from Wisconsin call people from Illinois, can mean; Fuckin' Illinois Bastard, or a nicer version; Friendy Illinios Brethren.
I went to the Milwaukee Brewers game last night... The Cubs were in town, and Miller Park was full of damn FIB's
by NickyB May 4, 2005
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Term coined from the PC game Battlefield 2. The act of being killed by a medic with the defibrillator.
Man, I just got fibbed!
by Groady July 19, 2005
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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 6, 2014
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To lie.
If man keeps telling fibs, he’s gonna get battered.
by Inferno Thor March 24, 2018
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