What's a poker face and why do people make it?

poker faced meaning
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It's supposed to be a double entendre “Poker face” sounds like “poke her face” So she's essentially saying poke her face ,

poker face in Hindi: भावशून्यता click for more detailed meaning of poker face in Hindi, definition, pronunciation and example sentences

poker without betting poker-faced adj Pronunciation Poker-faced - Definition, Meaning & Synonyms www Definition of poker-faced adjective in Oxford Advanced Learner's Dictionary

poker hands Words contain poker face in its definition in English - English dictionary: poker face stud poker hole card straight poker face-to-face