Noun: A total dick.
A dickenbocker excels in such talents as cutting you off on the highway,
disrespecting your friends, walking away while you ask a question, or trying to steal your credit card number. It is customary to elect a Dickenbocker of the day to the person who most exemplifies these
characteristics.
Regional note: In New England a dickenbocker is sometimes referred to as a dickerbocker.
Etymology: From the German phrase "Summieren Sie Dikkenbaachūr"