What's FWIW, LSOH, BTW...?
FWIW = For what it's worth
BTW = By the way
IMO = In my opinion
IME = in my experience
IMHO = In my humble opinion
LOL = laughing out loud
ROFL = rolling on floor laughing
ROFLMAO = rolling on floor laughing my <ahem> off
FAQ = frequently asked question(s)
LFS = local fish store
MO = mail order
DIY = do-it-yourself
HOT = hang-on-tank
LSOH = Little Shop of Horrors, a Calgary group nickname for a certain store that happens to be the one that didn't double-bag, hence leading MORE credence the the nickname ...
I can't think of any others offhand. If you see any other obscure TLA's (three letter acronyms), just ask.
HTH .... (oops I mean "hope this helps!"

)