mary , 
Is your child texting about lisp?
Here is a quick guide to find out:OMG: Object Management Group
OG: OpenGenera
SMH: Strict Macro Hygiene
IMHO: Is My Homoiconicity Obvious
BBC: Bail Before Continuation
LMAO: Look, Metaobjects Are Overkill
TL;DR: Thunk Lost; Dynamic-wind Restarted
FML: Fully Memoized Lambda
TIL: Texas Instruments Lisp
TTYL: Type Tag Your Lists