1 definition by R.a.e1192

you say this when your laughing so hard that your left testicle begins to fall off , why the left testicle?? no one knows
person#1:hey did u see that youtube vid i sent you?
person#2:yeah i was LMLTO!!!

male#1:yo remember that time you puled the hudini on that girl?
male#2:yeah LMLTO!!
by R.a.e1192 December 28, 2011
Get the LMLTO mug.