Someone who has had their foreskin butchered, and has no feeling in it, ie circumscised
Oi Leather head come and knock these god damn tent pegs in!
Like when your piece has been rubbing your trousers, when you have gone commando and your bombhead is wrinkley, smelly and of leather texture. possible smegma build up too.
Darth Vader hadnt washed since he had the suit put on him. he had leather head going on and everything...