let's see... lol,laugh out loud,rofl,rolling on floor laughing,roflu,rolling on floor laughing uncontrollably,tmi,too much info,wtmi,way too much info,idk,I don't know,xoxo,hugs and kisses(I don't get this one really but oh well that is the meaning!)csl,can't stop laughing,sys,see you soon,brb,be right back,lyt,love you too,byolc,bring your own lawn chair(heard it from jeff foxworthy stand up comedy)gtg,got to go, of course these can mean what I told you but it also can depend on the person or the way these acronyms are used for example lol in general can mean, laugh out loud, but when used in a letter or personal message it can mean,lots of love,instead like I said it differentiates depending on the person or situation,hope this helped,after all these days tons of teens use these acronyms to talk fast but it can be like learning a new language for parents or people who never text