Definitions by Dr.NoSoul(YesI'mAGinger)

FMO 

Fuck Me Over.

To be stunned/shocked/pissed off when something really bad (and very often ill-timed) happens.

Computer: "Microsoft Word just decided to delete you 20-page document and it's content."
Me: "FMO!"

FMO by Dr.NoSoul(YesI'mAGinger) March 4, 2011