Top Definition
L- laughing
M- my
S- sexual
O- organs
O- off
OMG LMSOO that was soo funny
i laughed so hard i LMSOO
by Da Scrummage King April 28, 2010
8 Words related to LMSOO
Laughing My Sex Organs Off
Great to say out loud in public.
"Did you see that guys coat?"
"Yerr LMSOO"
by Jasry August 28, 2008

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