'nough said.
Your Mileage May Vary
That is, what is said may not apply to you or your situation.
Yummy, My Medieval Varlot!
Okay, it’s really Your Mileage May Vary
Some restrictions apply. See dealer for complete details.
You May Make Vomit.
Wait… that’s not…? Man, that changes everything.
Your response displayed at the same time my post finally went through with no refreshing. Are you waiting for me to post questions?
Thanks FairyChatMom.
My pleasure. I guess I should turn down my psychic powers, huh?
You know, back in '99 when I first joined the boards, I thought that was what it meant – and the first time someone used it, it was in a context where it might make sense that it did!
Someone was expressing disgust for the position taken by the person he was responding to, and stating his own quite vehemently. Then he mellowed out slightly at the end of the post, and finally concluded with “YMMV.”
Penis ensued! 
Yoyo Ma My Vagina!
If you could that would be great. I am trying to get the gold medal game and am stuck with static atm 
Other Abbreviations You Might Use and Links To Even More
I don’t think I would have guessed that one either tomndebb. Thanks for the link.
YMMV Not You May Make Vomit, but You Make Me Vomit
ROTFL = Right on the Fucking Line
LOL = Lots (or Love) of Latex
WTF?
Widdle Tiny Ferrets?
Close.
WTF = What The Fuck
Hmm, well what does “WHOOSH” mean, then?
Why Haven’t Others Overcome Sicilian Heckling?
And I always thought it meant Whiskey Tango Foxtrot…
Yippee! Mislaid My Virginity!