Top Definition
That mysterious girl that you saw once, but don't know whether you'll see her again. nice hair!
Tom: I think I saw her, was she that, that, that Ruby?

Rory: 'Yeah, that's the one, she had nice hair.'
by Ventresto September 18, 2008
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Gemstone in the corundum family. Ranges from deep pink to blood red to purple-red. Birthstone for July. Mined primarily in Sri Lanka, Madagascar, Myanmar (formerly Burma), Afghanistan, Pakistan, Vietnam, Australia and India.

The gem is difficult to find without internal flaws and in deep color. The element chromium is responsible for the red color. Heat treatment is very common in ruby (as in all corundums). Ruby may be any color of red depending on the chromium and iron content of the stone. Sometimes the stones display a 6-rayed star effect when cut as cabochon (dome-shaped) stones.

It is also very, very difficult to find in larger sizes. In 1988, a 15.97-carat unheated Burmese ruby known as the Mogok Ruby was sold by Sotheby's auction house in New York for $3,630,000.
It is actually the most valuable gemstone in the world, more valuable than diamond.
by Ryan Thompson December 30, 2004
A really pretty girl who is the envy of all her friends.
Typical party girl.
someone who looks like a supermodel
especially if they have red hair.

"i wish i was ruby"
"yeah me too"
"i did a ruby at the party last night"
by rupoopoo April 04, 2008
Stunning, intellectual youth of the female origin. Always enthusiastic about both housework and socialising with the presence of alcohol. PERFECT.
ruby is just so lovely.
yes yes yes she most definately is.
by jay patel February 26, 2005
A crazy fun outgoing female that loves to have a good time and party!!! She is definitely GORGEOUS and GREAT in bed!!! And she is well known for her ASS...In addition to her good looks she has an awesome personality and she makes everything fun...but don't cross her the wrong way or you will regret it.
"Gotta love that Ruby"

"Damn Ruby! You got a tight Ass!"

"Let's go party tonight with Ruby she is always such a riot!"
by LYnC86 February 03, 2010
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