1 definition by user 824675

Acronym: Fuck If I Know.

It is a definitive statement used primarily by those who are tired of answering probing questions into a subject that the user either does not know or could care less about. Usually employed in online conversation or when trying to watch one's tongue.
Example 1

Person 1: "Dude, Do you know where i put put my car keys"
Person 2: "Seriously for the twentieth time. FIIK!"

Example 2
after being interrobanged for the 18th time in the game of 20 questions by a significant other the answers can become shortly stated as FIIK
by user 824675 March 10, 2010
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