fuck if I know
what are we going to do tonight? FIIK
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.
Acronym for: Fuck If I Know
Dude1: Hey Bob you know the score to the Browns Steelers game?
Dude2: .... FIIK man!
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.
Fuck if I know
Usually used online when someone askes you something, and you do not know the answer.
Salleene: does anyone know how to open the black market in fy b1f?
Short for "Fucked If I Know".
Jane: "Hey, did I put the KD in the left cupbord or the right?"