It’s wasn’t just the heat - it was also the fuzz, the pigs, or the man. In a time of dramatically shifting social and political mores, clashes between law enforcement and frustrated, fearful young people were nearly a daily occurrence. There were a lot of colorful and derogatory names for police officers at the time, and now, when you hear most any of these phrases, it’s mostly meant to be ironic. "Pig" has an interesting and debatable etymology, with some reports of the word first being applied to both police and “unlikeable people” in the 1800s, and another, popular—though widely dismissed—theory involving gas mask-wearing officers often seen at demonstrations. "The fuzz" dates back to 1929, but the exact origin is unknown.