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

by larbac September 20, 2012

Laughing My Sock Off.
once at a friends house someone told a cracking joke and my sock fell of !!!
LMSO !
the 2 events now go hand in hand , my sock always falls off , and its happening to my friends !
once at a friends house someone told a cracking joke and my sock fell of !!!
LMSO !
the 2 events now go hand in hand , my sock always falls off , and its happening to my friends !
by scott walker April 16, 2005

LMSO is an acronym for - Laugh my socks off. Or. Laugh my shoes off.
Credits to my great friend {insert name here: ____ } for helping me invent this.
Credits to my great friend {insert name here: ____ } for helping me invent this.
Person #1: "I'm going out to dinner with a friend. I plan on ordering the most expensive meal, and making them pay for it."
Person #2: "LMSO, that's great dude."
Person #2: "LMSO, that's great dude."
by KrabKakes March 22, 2017

Justin: "Stop everything you are doing!! Think about ME for 3 secs...1...2....3! You just experienced the best 3 secs of your life."
Donna: Thanks Justin, I'm LMSO!
Donna: Thanks Justin, I'm LMSO!
by donna/justin October 12, 2009

When Phal broke his leg we were laughing our socks off...thats still no excuse to lose to George 3 games in a row though.
by GEO July 21, 2003

Example: "Cocky dude# I gave my chick a Dirty Sanchez last night,and she took a picture of it and put it on MySpace,BOO-YAA!!!"
"Stupid Listener#LMSO!!!"
"Stupid Listener#LMSO!!!"
by MORTAL COMBAAAT!!!! May 17, 2010
