look up any word, like donkey punch:
 
1.
Laughing my wazoo off
I was LMWO at the cafe Saturday morning!
by malenursedave July 10, 2008
 
2.
Laughing my weave off
Brandon: Oh there's Swirlz
Alex: OMG! Get the squirrels away from me!!!
John: LMWO!
by coastiejohn April 17, 2011
 
3.
Acronym, standing for "Laughing My Wang Off". Similar to LMAO but better, due to the extreme funniness of the word wang.
Jane's lisp was so amusing, I was LMWO all night.
by hrtbrkr January 03, 2006