Definitions by B. Gates & S. Jobs' Lovechild

FIM 

Abbreviation for 'Fucking impossible, mate'. Coined by a developer in the early nineties, it is still widely used today.

Used to indicate that a(n often simple) development request cannot be completed.

"Can we change the formatting on the grid columns?"

"Nah, that's FIM."

FIM by B. Gates & S. Jobs' Lovechild January 21, 2013