What does the idiom wore a poker face mean?

Poker Face Going by the traditional meaning, a poker face is a term used to describe a facial expression that reveals no emotion, particularly in situations

Lady Gaga's popular 2009 single Poker Face has rude lyrics that went uncensored on thousands of radio stations across the globe

what are the hands in poker Bluff in poker represents more than predicting rivals' reactions and potential outcomes of the hand

what are the odds of winning on slot machines A face on a person that shows no emotion, often called poker face because in the game of poker it would be foolish to show any emotional traits that might