Why do we say 'poker face' and other popular expressions

Poker Face Meaning: Definition, Usage and More poker face mean
➡️【Mk.com】✅हमारे रियल मनी ऑनलाइन कैसीनो से लेकर टेबल गेम्स की एक विस्तृत श्रृंखला तक, ✅ आपके पास भारत के सर्वश्रेष्ठ ऑनलाइन कैसीनो में विशाल जैकपॉट जीतने के कई अवसर हैं। ✅  From Longman Dictionary of Contemporary Englishpoker-facedˌpoker-ˈfaced adjective EXPRESSION ON somebody'S FACEshowing no expression on your face a poker table chip tray “Publicly available data and licensed data,” she said Does that mean videos on YouTube, Instagram or Facebook, for instance?

poker werte Lady Gaga asserts “Poker Face” is about bisexuality She described poker face as the expression she pulls when she's having sex with a man, but wishes she was