LMAO = Laughing My Ass Off. - When people text me this I like to reply with "So what's it like to be bumless? It must make certain things... interesting, to say the least."
ROTFL= Rolling On The Floor Laughing - wow, you have some major multitasking skills to be rolling on the floor and still texting.
"Yeah, no I totally blah blahblah blahblah" - You do realize you just contradicted yourself, right?
k, well. I had a whole lot more of these but my mind has blanked on me. I'll edit and update as they come back to me :P