lmai 

similar to the expression LMAO but instead of meaning laughing my arse off, it means laughing my arse in.. haha

invented during a spelling mistake in and msn conversation :)

that dude just got totalled.. LMAI

omg you just got aboused LMAI

lmai by fizron April 16, 2008

lmai 

"laughing my ass in" - basically the same thing as lmao (laughing my ass off) but better ! with lmao you are laughing out loud where people hear you. with lami you are not really laughing out loud but you think its funny but not that funny that you are actually laughing out loud.

"lmai, your too funny bruh"
"your low key funny. lmai"

lmai by unknown5567 May 16, 2018

LMAI 

Laughing My Ass In

e.g. On 21.11.2017 Sevilla vs Liverpool match Liverpool fans said "LMAI"

LMAI by OnlyLogical April 20, 2018

LMAI 

A common spelling mistake for the response "LMAO" and other versions of said acronym, usually with more O's or more random capitalization. LMAO stands for Laughing My Arse Off, and LMAI, stands for Laughing My Arse In. The word has 2 meanings.

1. Same usage as LMAO, communicating extreme hilarity. Usually to respond to a joke.

2. When someone says a joke and you don't think it's funny, but laugh sarcastically. Examples below.

1)
Friend: *Insert a good and funny joke here*
You: LMAIII
You: oops
Friend: LMAO you misspelled LMAO

2)
Friend: I ran over a puppy, on purpose!
You: Uhm, how am I supposed to react to that?
Friend: IT'S A JOKE! HAHAHAHAHA
You: LMAI, very funny. (Why???)

LMAI by ẞrrrrt April 15, 2020

LMAI 

(Abbreviation/text slang/typo)

Short for "Laughing My Ass Inward" ; to laugh so hard your asshole implodes, taking everything within 5 miles of ground zero with it. An unstoppable force of nature, humanities bane.

William Shakespeare: Ay Loui XIII, mfs in the future finna think we spoke like hamlet bro

Loui XIII: Bro I’m dead lmai

William Shakespeare: Laughing my ass inward? Thank GOD you’re in France 💀

LMAI by A64 On Urban Dictionary??? January 19, 2023

LMAI 

Similar to LMAO (laughing my ass off), LMAI means laughing my ass in. Typically, the word is said when LMAO is misspelled.

Madeira: LMAI!
Gilneah: Laughing my ass in?
Madeira: Sure...
Bluie: Hi, I'm blue.

LMAI by Ahppy & LMAI June 11, 2018

LMAI 

An acronym for the phrase "Lick my anus idiot.".

John- "How long are you going to be in town?"
Bill- "Already left. LMAI."

LMAI by Whatesyourhandle November 13, 2017