Don't feel stupid Amy, I don't know either. But I saw a website earlier that had all those listed. I'm going to go look. I just learned that BD is "baby dance" aka s_x. Had no clue!!
http://tryingtoconceive.com/abbrevs.htm This is a great list of the abbreviations.
Weird, Heather's postings came in between mine. I meant "I've got it Amy" not negatively like....."you got it??" I had no clue either.