@Kaymyth @bleeder I'm only 21 and people in my college classes still give me weird looks when I spout off a fact and then tell them I remembered it from high school.
Most abbreviations I pronounce phonetically. So LOL sounds like loll, ROFL sounds like roffle, BRB sounds like burb, etc. Of course, some of them don't lend themselves to that way of pronunciation very easily. I always read S T F U as "stuff-OO" in my head, for example.
This is also me: