Originally Posted by clacko
many people use YMMV, which i think means "your mileage may vary"....
often, it doesn't seem to make sense in the context of the post....
is there another translation[s]? or have i got it wrong?
No, you have the translation right. In proper context, though, it has nothing to do with frequent flier miles:
http://en.wikipedia.org/wiki/Your_mileage_may_vary
Mike