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1.
li
AOL instant messanger slang.

How many times a day do you typically type the word "lol" when you are not actually laughing out loud? Even if you do this once, you are a liar, you're lying to yourself, and to your friends who think they've made you laugh.

Instead, be true to yourself and your friends, and type "li" which means you are laughing on the inside, and that's all your friends need to hear to know that they still have a half decent sense of humor
friend: why is 6 afraid of 7?

me: I don't know

friend: because 7 8 9!

Me: li
by Brian H January 24, 2005
257 133
 
2.
Li
A very common last name for Chinese people. Pronounced as "Lee". Only dumbasses pronounce it as "lie". It's also written as "Li3" in Chinese pinyin, not fricken Lee. Some people spell it Lee because of the retards out there saying it wrong.
Bruce Lee (Li), Jet Li, Li Zilong
by Henry Li May 21, 2009
294 179
 
3.
Li
(n.) The cool and tough kid of the block.
Watch out for that Li. She is out of our league.
by Jet January 22, 2004
156 101
 
4.
LI
An abbreviation for Long Island, NY.
Yo, I can't wait to go out to LI in the summertime.
by Mark Kessel January 19, 2008
61 33
 
5.
LI
Laughing inside. Polar opposite of LOL.
MK: "LOL"
MD:"that was actually an LI"
by MK JJ HB December 06, 2008
43 25
 
6.
LI
Laughing Internally. Used when texting/chatting online and someone says something kinda funny but not funny enough to make you laugh out loud for real so you type LI instead!
Person #1: Hey, did you see that old man @ the store today??
Person #2: Yeah his pants were really up high. LI
by iwasbored August 31, 2010
22 10
 
7.
lazy indian syndrome (not the ones that work on xbox, but the native americans.), when someone is 45% or more native American and won't do any work.
"Man! That guy outside the convenience store with the brown bag must be a major L.I.S sufferer "
by just stubbin January 05, 2010
6 2