What is Countenance?
1.
Countenance is another outdated word for someone's facial expression. This word is often found in nineteenth century novels. It has absolutely nothing to do with anyone's genitals.
A: Look at Pickford's countenance. He's looking really stoned/wacked out on weed today.
B: I agree. He couldn't have a more drugged up mien. His physiognomy looked very pallid as he was dragged out of the morgue last night.
2.
The fearsome unwaxed genitals of a catholic priest
Verily they gazed upon his countenance and were sore afraid.
See