Top Definition
Stands for: laughing my fucking ass off because your mom sucks cock in hell you dumb snatch.
Dumb Snatch: I totally slept with your boyfriend behind your back but since my mom just died you should have sympathy for me.

Down Ass Chick: Acually, I'm lmfaobymscihyds!
by Scoot Ass March 25, 2007
5 Words related to lmfaobymscihyds

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