An acronym for 'fix my leg'.
I just tripped down 45 flights of stairs. FML.
Zoo Keeper - Oops! I forgot to feed the lama in the petting zoo, FML
Worker - O.K then boss
acronym for fuck my life
"Hey, that creepy guy is staring at you again."
"ugh. FML."
"Hey, did you study for the big test?"
"No, FML."