This page provides all possible meanings and translations of the word po-faced
humorless and disapproving
Wearing a particularly stern and disapproving expression; humorless; priggish.
Origin: Probably from po, abbreviated slang based on French pot de chambre (chamber pot), after the distasteful expression anyone would adopt upon being presented with a full one. Perhaps similarly from pooh; perhaps influenced by poker-faced. Also possibly “poor-faced”.
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