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

The player's face is emotionless, showing no hint of a good or bad hand, no give away that one is bluffing or not It's just being cool, calm,

face I made this pilgrimage slash walk of shame to atone for the “The classic joke was, what did the Deadhead say when the drugs wore off?

lottery sambad update Before his death, Brook was a tall, tan, skinny man who had a rather distinctive face He had a slight goatee on his chin and some side burns He typically wore

new jersey lottery app Examples · Gaga then returns and sings Poker Face on the cat-walk · Lyrically, Poker Face is all about sexual innuendo and teasing · Swoopes wore a poker