Po-faced 

Po-faced means having an assumed solemn, serious, or earnest expression or manner; piously or hypocritically solemn. It can also mean expressionless or emotionless, perhaps derived from poker face meaning the ability to avoid showing any reaction to the cards you have been dealt.

When he tries to tell you where you’ve gone wrong, he can be such a po-faced twat.
I was playing cards with the lads last night, couldn’t read Charlie at all, totally po-faced.

Po-faced by AKACroatalin June 19, 2015

po faced 

Someone who is priggish, narrow-minded, disapproving or humourless.

Margret Thatcher, your old headmaster, traffic wardens, nightclub doormen and the Pope are all po faced

po faced by Jamie Douglas December 6, 2006

Po-face Rattle Nose 

A Epic Swear word that can used in any form of speech. See example

I Po-Face Rattle Nose Po-Face Raddle Nosed Po-Face Raddle Nose.

Po-face Rattle Nose by Ja-man September 7, 2009