What does the idiom “wore a poker face” mean?

define poker face
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More specifically though, to wear a poker face is to deliberately prevent information being relayed, or betrayed, by your expression The term

What is the meaning of poker face? The poker face definition is basically a face that betrays zero emotions In other words, a player is said to

define lottery ˈpəʊkər feɪs ​an expression on your face that does not show what you are thinking or feeling He maintained a poker face

define poker Poker Face is streaming January 26th on Peacock: 3Vloyof Synopsis: Poker Face