fungus face 

a beard, heavy whiskers

that fungus face over there has more hair round his chops than Santa

beard hairy face stubble face growthunshavenwhiskers

fungus face by notquitepatrick October 22, 2015

face fungus 

Beard or moustache, esp. one of poor coverage or one that is poorly groomed.
Often found on the faces of hipsters, although these examples tend to be groomed to excess.

Dude, your face fungus makes you look like a teenage hipster.

face fungus by Tangoes with Dingoes November 12, 2015