LMAO!!! Sorry No Idea??
I find that hard to believe, expected to see a
at the end of that. However, just in case, and for the benefit of our regular viewers:
LOL = Laughing Out Loud
ROTFL = Rolling On The Floor Laughing
LMAO = Laughing My Nether region Off
There are many combinations/variations of these, but perhaps this should be on another thread