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
Get the lmsomug. by huh20 June 22, 2008
Get the lmsomug. by Matt(UD) December 5, 2015
Get the lmsomug. 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 7, 2009
Get the lmsomug. by larbac September 20, 2012
Get the lmsomug. 
