When a male has a heavily disfigured penis, whether by an accident or deformation at birth. It is a combination of the words "ravaged" "mangled" and "dick".
"Did you hear that sick bastard Seth tried to fuck a pencil sharpener?"
"Yeah, I hear he's got a wicked case of rangledick now."
"Yeah, I hear he's got a wicked case of rangledick now."
by Certain Lee May 12, 2017