As opposed to po-faced (Urban Dictionary & British dictionaries), pooh-faced is a happy, Happy, HAPPY visage inspired by large intakes of honey, or beer, or wine, or legal dispensary goods that leaves one’s face in a constant grin that causes to observers to smile, even if against their will.
Puck, blazing his ever present pooh-faced for all to see, seemed to dare me not to crack a laugh at the absurdity of each morning’s arrival.