Would your mom like it?
The definition of punk rock. Whenever something is called into question as to whether it is indeed "punk rock," simply ask the question, "Would your mom like it?" If the answer is NO, then the subject is indeed PUNK ROCK.
Punk 1: That guy just took a shit on the stage!! Is that punk rock?
Punk 2: Would your mom like it?
Punk 1: No...
Punk 2: Then yes.
Punk 2: Would your mom like it?
Punk 1: No...
Punk 2: Then yes.