Slang word mainly used by supporter of the football (soccer) team Sheffield Wednesday for supporters of the football team Sheffield United,
Piggie is also used for this meaning mainly in chants.
Pigs is derogatory for white skin police officers. It's ghetto slang to diss white skin police officers. Figure it out. The color of a pig matches the color of white skin.
Fuck the pigs. The white skin police officers have the same skincolor as pigs. That's why I call them pigs.