When did the meaning of the term 'punk' change from denoting an anti-establishment attitude to a 'buy me' trigger for certain customer segments,especially as su

When did the meaning of the term 'punk' change from denoting an anti-establishment attitude to a 'buy me' trigger for certain customer segments,especially as suffix in the literary market? And how much was the overlap? Vivian Westwood? Blondie? And then Cyberpunk,right?