A man who's cock is so filthy that no woman, regaurdless of her low level of standards will not fornicate with or perform any sexual act upon resulting in the last resort of masturbation forever.
Nicole - Why are Mikey's hands always that strange shade of green???
Tiffany - Because he's a beef stroking cock fungus and that's the color of his cock!
When there's lots of cock-cheese around the head of a penis. The smegma resembles whitefungus.
"I haven't had a shower for a week. I opened my underwear to discover a wretched stink and I had severe fungus cock."
"Jane divorced her ugly husband because she was sick of eating his fungus cock!"