Kelly: Did you see the show last night?
Tyler: Yeah, it was so funny.
Rosie: I know! It was sooo lmso!
Tyler: Yeah, it was so funny.
Rosie: I know! It was sooo lmso!
by ROFLWPL January 31, 2010

by huh20 June 22, 2008

by Matt(UD) December 05, 2015

1. Laughing my smile off. because it sounds more bad ass then "laughing my socks off"
2. A perversion of lmao
2. A perversion of lmao
Beth: On my way to school today I slipped and fell in the mud, tried to get up and slipped again!
Kyle: lmso!
Kyle: lmao***
Kyle: lmso!
Kyle: lmao***
by killedjoo April 07, 2009

by larbac September 20, 2012
