simply put, it means: laughing my nose of profusely.
a way of expressing your laughter while chatting with friends online.
you: ...and then he fell flat on his face

me: lmnop
by toybox chick August 13, 2007
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The meaning of being great, and hating the gay computer company alienware.
The great cs player lmnop was very great at times with karbon, but he hated alienware very much
by Kevin CHambers December 24, 2003
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A silly/quirky way of saying "K", often used in IM and "TM (text messaging)" conversations.
Person A: Meet u 5 mins, k?
Person B: k-lmnop
Person A: lol
by ima90sbb January 7, 2009
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An expression used to bluff taking back a negative or sarcastic remark by starting to say jk but adding lmnop on at the last minute so that u r only reciting the alphabet.
BF: I think we should break up
GF: What???
BF: Jk...lmnop
GF:U jerk!
by CobyColieCole May 15, 2009
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A phrase used by streamer ONLYUSEmeBLADE when he is on his second fifth of Jager and can barely speak. It does not really mean anything specific he just kind of crams it into a sentence. It is usually employed when he is going to get in a fight or when he has fallen down.
Blade: Le me up dude..give me the humah...LMNOP dude...piss blanket figure it out.

Other streamer: What?
by Corkcbaosum April 26, 2021
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LMNOP is a texting word as a substitution for LOL or LMAO or LMFAO. Those laughing texts tend to be basic and unoriginal. That's why the word "LMNOP" means "Laughing My Nose Off Prettily". This word really adds character and personality to the way you text.
"Omg Bob! you're so funny, I'm literally LMNOP"
by notahumidperson December 26, 2022
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