Also found in: Acronyms.
An initialism of "Fucking Google It," an expression of exasperation and irritation at someone who asks others for the answer to a simple question, one which they could have easily answered themselves with a little bit of research. Used especially in online communications. A: "Hi everyone. Sorry if it's been posted on these forums already, but how do I eject my USB drive from my PC?" B: "Are you serious? FGI!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.