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An abbreviated form for the phrase, “Laughing My Fucking Nipples Off.” Its purpose is to create a more expressive illustration of great laughter or amusement, similar to LMFAO (which means, "Laughing My Fucking Ass Off.") The term is commonly used on the Internet, online and conversations across gaming/chat rooms or texting.
Girl: Do you believe in puppy love?
Boy: I tried it once, but their assholes are too small.
Girl: LMFNO!
LMFNO by samcaba January 10, 2011
Related Words
LMFNO LMFN Lmfndao lmfnso
I was LMFNO when i heard that Palin is running for president.

LOLLMAOLMFAOLMNOHaHa
LMFNO by georgeyea June 16, 2011
Acronym: Laughing my fat nuts off.

May be used as a substitute for other similar acronyms such as lmao, lol, ect.
Person 1: Yeah, and then he STEPPED in it!!

Person 2: LMFNO!
LMFNO by Dritto December 14, 2004
Is that A drunk cat?? LMFNSO!!!!
lmfnso by neptunerav August 5, 2007
Why did the cow go to the movie theater?
I don't know
BECAUSE it wanted to watch a mooooooovie.
LMFNDAOOO-💀✋
Lmfndao by taco818 November 4, 2021