The most beautiful girl with great personality. She smells good and always dresses nice. She'll make every guy like her and every girl envy her. Shes the perfect girl.
Shes so pretty she must be a Rubi
by dictionary67 October 19, 2011
4 more definitions
Top Definition
A rare person to come by; Most often of hispanic origin, as precious as the jewl, people with this name are naturaly beautiful and hard to come by. Rubi's love dancing and have really fun personalitys, making them someone people naturally love having around. Usually very sociable, however they love to form strong friendships. Becareful around Rubi, because they are natural flirts and you could mistake friendly banter for something romantic. One of the most notable qualitys of Rubi's are their caring natrure, unfortunatly they have the hardest time finding love, they have high standards and typicaly wont give second chances once you screw up. Limmited are the Rubi's of the world, so that each one should be respected, admired and loved.
Guy1: " Did you see the new girl in choir?!"

Guy2:" Yea! She just transferd over to our school Jr. year!

Guy1: " Shes goregeous! She must be the Rubi, that everyone is taling about!
by YoBenDover December 31, 2014
A unit of linear measure. A Rubis is 1/7 of a micron. 7 Rubis equals 1 micron. The plural of Rubis is Rubis. An extremely fine unit of measure used by precision lensmakers.
Baird: That Curve is off 3.5 microns.
Steve: Microns?! You hack, that is off 24 Rubis! We only work to the tightest tolerance here! Get your shit together!
by Antonio Consorte February 28, 2008
The most beautiful girl in the world, who is there for you twenty-four-seven. The best friend that you wish you could have. The most awesome person you could ever know.
"Why aren't you with your friend?" he says, "Because I'm not hanging out with Rubi. Duh."
by Only Me. February 07, 2010
An incredibly beautiful girl. Someone who is very attractive with the best hair.That mysterious girl that you saw once, but don't know whether you'll see her again. Hard to get, because she gets bored easily.The kind of person that you can only have a love hate relationship with.
person 1"Damn That Chick has sexy Hair"
person 2"Thats Rubi"
person 1 " Daamnn let me get at her"
Person 2 " Good luck, thats a Rubi"
by delawarehey May 26, 2010

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