The FBI has a list detailing about 2,800 of the many different abbreviations and acronyms used on social media. In addition to familiar terms like LOL or BRB, the 83-page lexicon contains more inexplicable entries like YTP (YouTube Poop) and WYLASOMWTC (Would you like a saucer of milk with that comment?). There are also incriminating shorthands such as GAC (Guilty as Charged) and IITYWIMIWHTKY (If I tell you what it means, I will have to kill you). While comprehensive, the compilation appears somewhat dated in places. …