A term used to define someone who has surpassed the point required to be just a "wanker" or a "cunt".
Said person is in a league of their own when it comes to upsetting, offending, or hurting people either mentally or physically, thus requiring this insult too be hurled at them.
Person 1: "Did you see that man trip and mug that war veteran?"
Person 2: "Yes, what a Hoofwanking Bunglecunt."
Someone who tries really, really hard to be an actual cunt, but who is so incompetent that they end up embarrassing themselves so much that they, in roundabout-style, still somehow stumble upon being a cunt.
Have you met that guy in Athens (GA)? Ian Michael Casey? What a bunglecunt!