In the 1977 edition of the American Heritage Dictionary punk rock was given this wonderful definition: Punk rock, n. A form of rock music characterized by a stabbing, insistent rhythm and simple, three-chord harmony, amplified sound, and lyrics that deal with subjects full of trouble and strife such as anarchy, alienation, violence, sex, drugs and teen-age rebellion. Punk performers and their followers often adopt outlandishly vulgar behavioral patterns and clothing, often leading to acts of…