A less drastic form of Fml (fuck my life) and Hml (hate my life) and can also be used as a positive expression. Used when in a state of disbelief and/or wonder.
Expecting mother: You don't mean -- ?
Doctor: --You're having quadruplets!
Expecting mother: wal...
The saying "what a lie" was used by me so often through means of communication to my peers, I got lazy one day and I just put the first few letters into an acronym...people don't know what it means so here's a definition :)
Mary: No I'm not, WAL
WAL, broham, WAL.