Wikipedia
Usage examples of "sardonicus".
He stepped toward Sardonicus and jabbed him so hard in the chest with the barrel of his Sin Eater that the man stumbled, falling back into his chair.
The risus sardonicus which distorted his features seemed to relax a little as Carstairs drew the sheets up over him.
Apart from the inventor of the double-bottomed defecator, whose history he had heard seven times, they had nothing to say, and they said it for what seemed hours, while his smile grew more fixed and rigid until at last it came to resemble the risus sardonicus.