A shorthand for the expression "Fuck if I Know." Also indicates you don't really care.
What's the population of France? FIIK
by BilboFnBaggins January 25, 2014
Top Definition
fuck if I know
what are we going to do tonight? FIIK
by am December 30, 1999
Fuck If I Know... used in response to something you either 1. have no idea about or 2. could give less shit about.
TJ: What time do we have to be at work?

Meaghan: FIIK. Whenever we get there.
by meaghanbrez August 23, 2008
Acronym for: Fuck If I Know
Dude1: Hey Bob you know the score to the Browns Steelers game?
Dude2: .... FIIK man!
by Fizz :) March 05, 2006
Fuck If I Know

Used when you are totally clueless or do not care about the subject matter.
A: Do you know who won the game last night?

B: FIIK man, I don't even like sports.
by Visible Ninja March 24, 2010
Short for "Fucked If I Know".
Jane: "Hey, did I put the KD in the left cupbord or the right?"
Tom: "FIIK"
by TBA June 28, 2007
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