Top Definition
just like any other acronym used in text messaging, but Lmstd is more exaggerated meaning (Laugh my self to death).
Guy2: Yo this comedian is so funny i almost Lmstd, he had me going so bad i couldn't catch my breath.

Guy1: whoa your really lucky that would be kinda freaky if you actually Lmstd.
by G-baby009 March 08, 2010
2 Words related to Lmstd

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