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1.
LMF
let me fuck
me: yooo katelyn LMF

katelyn: nigga please

me: whatttt
by stud muffin the 3rd October 19, 2010
 
2.
LMF
Acronym for Lazy Mother Fucker
omg, my science partner is such a LMF
by L.M.F. January 16, 2006
 
3.
LET ME FUCKING SLEEP
*Get a text from an annoying person while you are trying to go to bed*

You: *angrily tweeting* "OH MY GOD LMFS"
by iamkhow October 16, 2011
 
4.
Lazy Mother Fucker Syndrome.
A person (mother fucker) so lazy that they are considered to have this syndrome.

Couldn't be bothered? = LMFS

Helen - "I saw him piss in the bottle. He must have LMFS as he didn't even bother using the toilets (only a few metres away)".

Bob - "I couldn't be bothered taking out the fucking trash".
Danny - "You've got LMFS".

Don - "Where's your assignment today"?
Maria - "I didn't do it but it's not my fault - I have LMFS".
by Bella Maree June 15, 2010
 
5.
Abbreviation meaning, "like my fucking status". Used when you really want a lot of likes on Facebook.
LUpiitaA RaMoSsNiqqA: LMFS Fo Truth Is MuthaFxckaaas

Like:19 Comments:78

^Facebook Format
by muthafxckaa(: October 12, 2011
 
6.
LMF
lmf is a group of cantonise rappers
by maxzilla June 22, 2003
 
7.
LMF
Lazy Mexican Family

Used to describe families that come in to South Texas restaurants.
You just got sat an LMF? That sucks bruh.
by Freddie Gibbs October 31, 2011