Laser Ultrasonics
#1 - Is it possible to detect defects in this piece of metal?
#2 - Of course, just use LUS
by DrPML October 2, 2013
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Someone that is very caring and loving. That always has your back no matter what, and never fails to make you happy. A Lu is a wonderful person in this world. Lu's are very smart, cute, kind, trusting and very honest. There unbelieveablely Strong and amazing at everything! If you have a Lu in your life, u better hang on to them, or you are missing out on a wonderful thing!!!
Omg... She perfect!!!
Well of course she's perfect!!!
She's a Lu!!!
by FlamingTnt March 1, 2018
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West Indian term that refers to living in a distorted reality
"All you do is sit on your ass all day. Bro, you are living it a lu!"
by abcdefgmrazhijkl April 12, 2009
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Asian with long black hair, very smart, and likes unusual things.

Not open to new things.
If Lu didn't pass that test no one will!!
by michelle2119 December 24, 2010
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Adjective.
When something or someone is or causes many emotions at the same time. Like when you are feeling many things at that same time.
I'm very lu right now
by IceBurnofc September 5, 2021
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The act of asking someone a question in the hopes that he/she will, out of politeness, ask the same question in return, so that you can tell him/her something without sounding like an ass.

The question asked with such intentions is called a lu, not to be confused with the other definitions of lu on urbandictionary.com
A: "Hey how was your day?"
B: "It was okay... How about yours?"
A: "WELL, let me tell you everything that happened..."
B: "Oh, you were luing me. I don't want to hear your shit."

Another example of luing:

A: "How'd you do on that last test?"
B: "Terrible... you?"
A: "I got a perfect score, plus 15 points of extra credit. Thanks for asking."
by I hate life November 7, 2005
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