A question for the folks

[ericcoleman]

What is your favorite text/internet abbreviation (or abbreviations)?

What is your least favorite?

And I'm not asking for your opinion on such things in general ... I'm looking for specific text-speech and what they mean

Comments

[gamerchick.livejournal.com]

Like: IANAL (I am not a lawyer), OP (original poster), ITT (in this thread - hasn't caught on at LJ yet but I find myself wanting to use it a lot)
Dislike: Any anime smilies like ^_^ or XD