Po-Faced

po-faced
Pronunciation: 'pO-"fAst
Function: adjective
Etymology: perhaps from po chamber pot, toilet, from French pot pot
British : having an assumed solemn, serious, or earnest expression or manner : piously or hypocritically solemn

"Shouldn't games at least be entertaining, not po-faced, solemn and pretentious?" ~ Richard Dawkins, "Postmodernism Disrobed"

hat-tip: Bill Gusky's Artblog Comments.