Like a curfew but gang members and skinheads enforce it instead of cops. Turfews stop people form going into gang territories or other things like National Socialist/White Supremest rallies after a certain time. They aren't meant to, but turfews save lots of lifes, because they stop people from getting caught in the middle of something like a shootout.

When you eat dirt for the first time and leave your family to build a shack in the woods