Top definition
"I ain't got a f**king clue."

Used in written communication (typically email, SMS) to express uncertainty, confusion or bewilderment - often with an element of frustration. Typically this is a consequence of failure by a third party to provide sufficient information, or total disbelief at how someone could be so completely inept.
Q: What's all this about?
A: IAGAFC

Q: How are we expected to work with this useless software?
A: IAGAFC

Q: How on earth did she land a job as head of department?
A: IAGAFC
by Makaliwanu November 04, 2009
Get the mug
Get a IAGAFC mug for your buddy Paul.