From another thread:

Subject: RE: Help: What's YMMV mean in e-mail-talk? From: BlueJay Date: 23-Feb-00 - 02:34 AM

I've seen a few I don't understand, either. I don't recall them now, but perhaps someone could post a Dictionary of Internet Abbreviatons, for rookies such as myself. Sincerley, JACAE, (just as confused as ever)