To be an onYx, To act onYx-alike. Being the paragon of an IRC-operator. Being the best at what you do. 'Pwning'.
Damn man, way to onYx. You have now been onYxified, baby.
by Dunkelheit November 19, 2006
One who believes that the smaller the government, the better.
democrats are not onyx when it comes to Government.
by Onyx_7 November 02, 2008
A beautiful, funny girl who pronounces "toyota" as "tee-oh-tuh". Definitley the girl you want to hang out with.
dude #1:ohh, dude,i met this girl, she's awesome!

dude #2:ohh, she must be an Onyx!
by manaisefaces April 16, 2010
to be up for something as in yeah im onyx
you onyx catherine ?

hell yeah she hot
by Man cabbage July 14, 2003
Someone who is being too affectionate.
"I'm at work!*blush* Stop being an onyx!"
by J. Lanphear January 17, 2004
A club that air ear bleedingly loud commercials on Power99 And many other Hip-Hop/Rap stations across the U.S.
SUNDAY NIGHT! ONYX! UNCLE LUKE BRINGING HIS GIRLS FROM MIAMI! TEAM ONYX! NAZZITWAZZI WILL BE THERE WITH OOMPA-LOOMPA (yes I said Oompa Loompa)! SUNDAY NIGHT!
via giphy
by drewvader1009 June 13, 2016
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