A females vagina that has contracted and shows symptoms of HPV.
"Soooooo I tested positive for HPV and my vagina looks like a witch's vagina. Call it a witch vag."
"Girls don't have sex with cute blonde guy in Math class. He's got warlock dick and gave me witch vag real bad."
A man's penis that has contracted and showing symptoms of HPV.
"Soooooo, I tested positive for HPV and now I have warlock dick."