Wiktionary
n. (poker face English)
Wikipedia
Poker Faces is a 1926 American silent comedy film directed by Harry A. Pollard starring Edward Everett Horton and Laura La Plante. It was produced and released by Universal Pictures.
The film is preserved at George Eastman House Motion Picture Collection, The Library of Congress, and UCLA Film and Television Archive.
Usage examples of "poker faces".
Most people's poker faces fade under pressure because they think too much about the bluff they're running, and the force of the other's will.
The males watched with poker faces, obviously intent on the proceedings.
I thought diplomats were supposed to have poker faces, Pickering thought.
They were trying to maintain poker faces, but he surely had their interest.
Leeden and her first mate were both good at poker faces, and they weren’.
The Superpower game of call-my-bluff, poker faces and flexed muscles was turning into a real life death scene.