Sardonyx 

A precious gem stone and a great person to know loves hip hop and basketball hates reading books and acts weird

Boy you're acting weirder than a Sardonyx.

Sardonyx by Sardee April 18, 2017

sardonyx 

Miniture entity native to cold fields and pirate coves.

I was going to smack him around the head but my sardonyx was too short.

sardonyx by Evad August 1, 2003

Sardonyx 

A “Sardonyx” is a gem mostly found in India, Brazil, Uruguay, Germany, Russia and the United States. Or for another word, a fusion of a Pearl and a Garnet in Steven Universe.

Example.
Daniel: Hey Timmy! I found a cool gem!
Timmy: Daniel, that’s a Sardonyx gem!

Sardonyx by lapizlasuli April 18, 2023

Sardony 

Mocking or cynical remark or humor. It is the noun form of sardonic and modeled after irony.

The sardony was written all over his face when it was revealed that that the department manager that had scolded him for making personal copies at the office had been just been dismissed for embezzlement.

Sardony by Dubhloaich August 21, 2017