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1.
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, 2010

Words related to lmlto

balls hudini laughing lmrto lol off testicle
 
2.
Laughing My Left Testicle Off. This is used when you are laughing so much that your left testicle is falling off.
jon: lets go on rf and annoy some nerds!
ash: lmlto yeh good idea!!
by Jon December 23, 2004