FMIIK 

FMIIK means fuck me if i know

Jump: Do you know what time it is Erin?
Erin: FMIIK

FMIIK by JUMP August 4, 2004

FIIK 

fucked if i know

FIIK by Duncan April 14, 2003

FIIKLFO 

FIIKLFO, acronym, Fuck If I know, let's find out!

"Hey, Man! Does getting your septum pierced with a 10 gauge hurt?"

"FIIKLFO!"

FIIKLFO by Kowulz July 20, 2007

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.

FIIK by meaghanbrez October 17, 2008

Fiiker 

A tool with a special purpose used by an expert in it's field

The fisher throws out his fishing rod. With this fiiker he'll surely catch some fish
or
I am checking the Stock of the riversow with a spastkiste. With this fiiker i can Identify the shit on the riverbottom particularly well.

Fiiker by LordLenol April 27, 2022

FIIK 

Acronym for: Fuck If I Know

Dude1: Hey Bob you know the score to the Browns Steelers game?
Dude2: .... FIIK man!

FIIK by Fizz :) April 14, 2006

FIIK 

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.

FIIK by Visible Ninja March 24, 2010