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4.
lmm
The scientific term for the sound that is made when someone tries to sing a song underwater.
"I would have liked the Little Mermaid, but I watched the 'from-the-beach' version, and all I heard was a bunch of lmm-ing."
by My Worst Nightmare September 25, 2006
 
1.
lmm
lick my minge. an adaptation of lmc,
1:smd
2:no you lmc
3: both of yous lmm
by kdfmnbzxkldjfv September 14, 2011
 
2.
legitly made me smile, when reading something on the comp or txt or something you say lmms like lol
freddy: blab blab blab blab
you: lmms
freddy: lol
by guccimamma January 04, 2011