Buzz·Posted on Mar 20, 2015How Many Of These Internet Abbreviations Do You Recognize?WTF does LOL mean? Don't send another text message until you learn these abbreviations.by by Sam WeinerBuzzFeed Staff, by Daniel KibblesmithBuzzFeed StaffFacebookPinterestTwitterMailLink Confused by all the acronyms that get thrown around in text messages and internet conversations? We've got your back — here are all the most popular internet abbreviations demystified. 1. LOL BuzzFeed Staff If someone texts you "LOL," they're letting you know they understood your joke, but didn't find it very funny. 2. ILU BuzzFeed Staff Self-explanatory. 3. WTF BuzzFeed Staff This laid-back acronym tells friends to chill out, 'cause you're not in a rush! 4. OMG BuzzFeed Staff Send help if someone texts you this–they're crumpled up on the floor right now. 5. BRB BuzzFeed Staff Leaving the computer for a sec? Type BRB to let your friends know that you'll be right back, but, in the interim, you'll be replaced online by the ultimate chatster. 6. Literally Me RN BuzzFeed Staff Only use this if you're the deceased 37th president of the United States. 7. WAD1D BuzzFeed Staff This common chat sign-off keeps things in perspective. 8. PDCO4S BuzzFeed Staff Parents, beware! If you find your teen using this common slang it means they're sexually active. And you're dead! 9. WtPotUS,iOtfampU,eJ,idT,pftcd,ptgW,astBoLtoaoP,doaetCftUSoA BuzzFeed Staff Teenagers love this convenient shortcut for reminding each other of the freedom Americans hold so dear.